﻿ If A is a square matrix such that  then write the value of  where I is an identity matrix. from Class 12 CBSE Previous Year Board Papers | Mathematics 2014 Solved Board Papers

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# CBSE Class 12 Mathematics Solved Question Paper 2014

#### Short Answer Type

1.

Prove that We need to prove that Consider x = cos2t; 154 Views

2.

Find the value(s) of x for which y = is an increasing function.

Given function is  237 Views

3.

If find the value of x.

Given that We need to find the value of x 196 Views

4.

If is a relation on N, write the range of R.

The set of natural numbers, N, = {1, 2, 3, 4, 5, 6.....}
The relation is given as 271 Views

5.

Prove that
If find the value of x. 149 Views

# 6.If A is a square matrix such that then write the value of where I is an identity matrix.

Given that We need to find the value of Where I is the identity matrix.
Thus, 783 Views

7.

Find the equations of the tangent and normal to the curve Let be the equation of the curve.
Rewriting the above equation as, Differentiating the above function with respect to x, we get, Slope of the tangent is Equation of the tangent is Slope of the normal is Equation of the normal is 162 Views

8. Given that We need to find the value of x+y+xy.  226 Views

9.

If the function f: R R  be given by be given by find fog and gof and hence find fog (2) and gof ( −3).

Given that Let us find fog: Therefore,   247 Views

10.  We need to find the value of x+y. Two matrices A and B are equal to each other, if they have the same dimensions and the same elements 168 Views