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Mathematics : Matrices

Short Answer Type

21. If

open square brackets table row cell straight x plus 2 straight y end cell cell 3 straight y end cell row cell 4 straight x end cell 2 end table close square brackets equals open square brackets table row 0 cell negative 3 end cell row 8 2 end table close square brackets

find the values of x and y.

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22. If

open square brackets table row cell straight x minus straight y end cell cell 2 straight x plus straight z end cell row cell 2 straight x minus straight y end cell cell 3 straight z plus straight w end cell end table close square brackets equals open square brackets table row cell negative 1 end cell 5 row 0 13 end table close square brackets

, find x. y. z. w

90 Views

23. Find the values of.x, y and z from the following equations :

open square brackets table row 4 3 row straight x 5 end table close square brackets equals open square brackets table row y z row 1 5 end table close square brackets

96 Views

24. Find the values of.x, y and z from the following equations :

open square brackets table row cell straight x plus straight y end cell 2 row cell 5 plus straight z end cell cell straight x space straight y end cell end table close square brackets equals open square brackets table row 6 2 row 5 8 end table close square brackets

106 Views

25. Find the values of.x, y and z from the following equations :

open square brackets table row cell straight x plus straight y plus straight z end cell row cell straight x plus straight z end cell row cell straight y plus straight z end cell end table close square brackets equals open square brackets table row 9 row 5 row 7 end table close square brackets

165 Views

26. Find the values of a. b, c and rf from the equation :

open square brackets table row cell straight s minus straight b end cell cell 2 straight a plus straight c end cell row cell 2 straight a minus straight b end cell cell 3 straight c plus straight d end cell end table close square brackets equals open square brackets table row cell negative 1 end cell 5 row 0 13 end table close square brackets

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27.

If $open square brackets table row straight x cell 3 straight x minus straight y end cell row cell 2 straight x plus straight z end cell cell 3 straight y minus straight w end cell end table close square brackets equals open square brackets table row 3 2 row 4 7 end table close square brackets$ find x, y, z w.

93 Views

Long Answer Type

28. Find ,x, y , a and b if

open square brackets table row cell 2 straight x minus 3 straight y end cell cell straight a minus straight b end cell 3 row 1 cell straight x plus 4 straight y end cell cell 3 straight a plus 4 straight b end cell end table close square brackets equals open square brackets table row 1 cell negative 2 end cell 3 row 1 6 29 end table close square brackets

166 Views

Short Answer Type

29.

If $open square brackets table row cell straight a plus straight b end cell 2 row 5 cell space straight a space straight b end cell end table close square brackets equals open square brackets table row 6 2 row 5 8 end table close square brackets$ find the values of a and b.

86 Views

30. Find the values of x and y if

open square brackets table row cell straight x plus 10 end cell cell straight y squared plus 2 straight y end cell row 0 cell negative 4 end cell end table close square brackets equals open square brackets table row cell 3 x plus 4 end cell 3 row 0 cell y squared minus 5 y end cell end table close square brackets

95 Views