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CBSE

Mathematics

Gujarati JEE Mathematics : શ્રેણિક

31.

bold જ ો bold space bold A bold space bold equals bold space open square brackets table row bold 3 bold 3 bold 3 row bold 3 bold 3 bold 3 row bold 3 bold 3 bold 3 end table close square brackets bold space bold ત ો bold space bold space bold A to the power of bold 3 bold space bold equals bold space bold. bold. bold. bold. bold. bold. bold space

32.

bold જ ો bold space bold A bold space bold equals bold space open square brackets table row bold 4 bold 4 row cell bold minus bold 3 end cell bold 4 end table close square brackets bold semicolon bold space bold B bold space bold equals bold space open square brackets table row bold 0 cell bold minus bold 1 end cell row bold 1 bold 0 end table close square brackets bold space bold ત ો bold space bold left parenthesis bold left parenthesis bold B to the power of bold minus bold 1 end exponent bold A to the power of bold minus bold 1 end exponent bold right parenthesis to the power of bold minus bold 1 end exponent

$open square brackets table row bold 4 cell bold minus bold 4 end cell row bold 4 bold 3 end table close square brackets$
$bold 1 over bold 10 open square brackets table row bold 3 bold 4 row cell bold minus bold 4 end cell bold 4 end table close square brackets$
$fraction numerator begin display style bold 1 end style over denominator begin display style bold 10 end style end fraction open square brackets table row bold 4 cell bold minus bold 4 end cell row bold 4 bold 3 end table close square brackets bold space$
$open square brackets table row bold 4 cell bold minus bold 4 end cell row bold 4 bold 4 end table close square brackets$

33.

bold A bold space bold equals bold space open square brackets table row bold sinθ bold cosθ row cell bold minus bold cosθ end cell bold sinθ end table close square brackets bold ત ો bold space bold AA to the power of bold T bold space bold equals bold space bold. bold. bold. bold. bold. bold space

Tips: -

bold AA to the power of bold T bold space bold equals bold space open square brackets table row bold sinθ bold cosθ row cell bold minus bold cosθ end cell bold sinθ end table close square brackets bold space open square brackets table row bold sinθ cell bold minus bold cosθ end cell row bold cosθ bold sinθ end table close square brackets bold equals bold space open square brackets table row cell bold sin to the power of bold 2 bold theta bold plus bold cos to the power of bold 2 bold theta end cell cell bold minus bold sinθcosθ bold plus bold sinθcosθ end cell row cell bold minus bold cisθsin bold space bold plus bold space bold sinθcosθ end cell cell bold cos to the power of bold 2 bold theta bold plus bold sin to the power of bold 2 bold theta end cell end table close square brackets bold space bold equals bold space open square brackets table row bold 1 bold 0 row bold 0 bold 1 end table close square brackets bold space bold equals bold space bold I

34.

bold જ ો bold space bold A bold space bold equals bold space open square brackets table row bold 1 bold m row bold 0 bold 1 end table close square brackets bold space bold ત ો bold space bold A to the power of bold n bold space bold equals bold space bold. bold. bold. bold. bold. bold. bold. bold space

$open square brackets table row bold n bold mn row bold 0 bold n end table close square brackets$
$open square brackets table row bold n bold n row bold 0 bold n end table close square brackets$
$open square brackets table row bold 1 bold mn row bold 0 bold 1 end table close square brackets$
$open square brackets table row bold 1 cell bold m to the power of bold n end cell row bold 0 bold 1 end table close square brackets$

35.

bold જ ો bold space bold A bold space bold equals bold space open square brackets table row bold 4 bold 3 row bold 2 bold 5 end table close square brackets bold space bold અન ે bold space bold A to the power of bold 2 bold space bold minus bold space bold mA bold space bold plus bold space bold nl bold space bold equals bold space bold 0 bold space bold ત ો bold comma bold space

36.

bold જ ો bold space bold A to the power of bold n bold space bold equals bold space open square brackets table row cell bold 2 bold n end cell bold 0 bold 0 row bold 0 cell bold 2 bold n end cell bold 9 row bold 0 bold 0 cell bold 2 bold n end cell end table close square brackets bold space bold ત ો bold comma bold space bold A to the power of bold 10 bold space bold equals bold space bold. bold. bold. bold. bold.

37.

bold જ ો bold space bold A bold space bold equals bold space open square brackets table row cell bold sin bold space bold alpha end cell cell bold minus bold cosec bold space bold alpha end cell row cell bold cos bold space bold alpha end cell cell bold sin bold space bold alpha end cell end table close square brackets bold space bold space bold તથ ા bold space bold A bold space bold plus bold space bold A bold apostrophe bold space bold equals bold space bold I bold space bold હ ો ય bold comma bold space bold ત ો bold space bold space bold alpha bold space bold equals bold equals bold space bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold. bold 0 bold space bold less than bold space bold alpha bold space bold less than bold space bold pi over bold 2 bold.

38.

bold જ ો bold space bold A bold space bold equals bold space open square brackets table row bold 2 bold 2 row bold 2 bold 5 end table close square brackets bold space bold અન ે bold space bold B bold space bold equals bold space open square brackets table row bold 2 bold 1 row cell bold minus bold 1 end cell bold 2 end table close square brackets bold space bold ત ો bold space bold B to the power of bold minus bold 1 end exponent bold AB bold space bold equals bold space bold. bold. bold. bold. bold. bold. bold. bold.

$open square brackets table row bold 1 bold 0 row bold 0 cell bold minus bold 6 end cell end table close square brackets$
$open square brackets table row bold 1 bold 0 row bold 0 bold 6 end table close square brackets bold space$
$open square brackets table row bold 5 bold 0 row bold 0 bold 30 end table close square brackets bold space$
$open square brackets table row cell bold minus bold 1 end cell bold 0 row bold 0 bold 6 end table close square brackets$

39.

સુરેખ સમીકરણ સંહતિ x + 3y + 4z = 8, 2x + y + 2z = 5, 5x + y + z = 7, નો અનન્ય ઉકેલ ......

40.

bold જ ો bold space bold શ ્ ર ે ણ િ ક bold space bold space bold A subscript bold r bold space bold equals bold space open square brackets table row bold r cell bold r bold minus bold 1 end cell row cell bold r bold minus bold 1 end cell bold r end table close square brackets bold comma bold space bold r bold space bold equals bold space bold 1 bold comma bold 2 bold comma bold 3 bold space bold. bold. bold. bold. bold. bold. bold. bold. bold. bold space bold ત ો bold space bold vertical line bold A bold vertical line bold space bold plus bold space bold vertical line bold A subscript bold 2 bold vertical line bold space bold plus bold space bold. bold. bold. bold. bold. bold. bold. bold. bold space bold plus bold space bold vertical line bold A subscript bold 101 bold vertical line bold space bold equals bold space bold. bold. bold. bold. bold. bold. bold. bold. bold space