Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

81.

open square brackets table row 1 2 3 end table close square brackets space space open square brackets table row 1 0 2 row 2 0 1 row 0 1 2 end table close square brackets space open square brackets table row 2 row 4 row 6 end table close square brackets

99 Views

82. Evaluate the following :

open square brackets table row straight a straight b end table close square brackets open square brackets table row straight c row straight d end table close square brackets plus open square brackets table row straight a straight b straight c straight d end table close square brackets open square brackets table row straight a row straight b row straight c row straight d end table close square brackets

86 Views

83. Evaluate the following :

open square brackets table row 1 2 end table close square brackets space open square brackets table row 3 row 4 end table close square brackets plus open square brackets table row 1 2 3 4 end table close square brackets open square brackets table row cell negative 1 end cell row 0 row 1 row 0 end table close square brackets

90 Views

84. Evaluate the following :

open square brackets table row 1 cell negative 1 end cell row 0 2 row 2 3 end table close square brackets space open parentheses open square brackets table row 1 0 2 row 2 0 1 end table close square brackets minus open square brackets table row 0 1 2 row 1 0 2 end table close square brackets close parentheses

81 Views

85. Write as single matrix

open square brackets table row 1 cell negative 2 end cell 3 end table close square brackets space open square brackets table row 2 cell negative 1 end cell 5 row 0 2 4 row cell negative 7 end cell 5 0 end table close square brackets minus open square brackets table row 2 cell negative 5 end cell 7 end table close square brackets

88 Views

86. Evaluate

open square brackets table row 1 3 5 end table close square brackets space open square brackets table row 1 0 3 row 2 0 1 row 0 1 2 end table close square brackets space open square brackets table row 1 row 4 row 6 end table close square brackets

106 Views

87. Evaluate

open square brackets table row 1 1 1 end table close square brackets space open square brackets table row 1 0 0 row 0 1 0 row 0 0 1 end table close square brackets space open square brackets table row 4 row 4 row 4 end table close square brackets

79 Views

88.

Let space straight A space equals space open square brackets table row cell cos space straight theta end cell cell sin space straight theta end cell row cell negative sin space straight theta end cell cell cos space straight theta end cell end table close square brackets comma space show space that space straight A squared equals open square brackets table row cell cos space 2 straight theta end cell cell space sin space 2 straight theta end cell row cell negative sin space 2 straight theta end cell cell cos space 2 straight theta end cell end table close square brackets

80 Views

89. Evaluate

If A =

open square brackets table row 2 cell negative 1 end cell row 3 2 end table close square brackets space and space straight B equals open square brackets table row 0 4 row cell negative 1 end cell 7 end table close square brackets comma space find space 3 straight A squared minus 2 straight B.

78 Views

90. Evaluate

If A =

open square brackets table row 2 cell negative 1 end cell row 3 2 end table close square brackets comma space B equals open square brackets table row 0 4 row cell negative 1 end cell 7 end table close square brackets comma space find space 3 straight A squared minus 2 straight B plus straight I.

78 Views