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If A=[[a,1],[1,0]] is such that A^2=I th...

If `A=[[a,1],[1,0]]` is such that `A^2=I` then a
equals

A

1

B

-1

C

0

D

2

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A N EXCEL PUBLICATION-PROBABILITY-QUESTION BANK
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  3. If A=[[a,1],[1,0]] is such that A^2=I then a equals

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  4. Solve the system of equations x-y+z=4,2x+y-3z=0,x+y+z=2 Using matr...

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  5. Find the values of a and b such that the function f(x)={(5a,x le 0) ...

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  6. Find dy/dx if (sinx)^(cosy) = (cosy)^(sinx)

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  7. The slope of the normal to the curve, y^2=4x at (1,2) is

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  8. Find the intervals in which the function 2x^3+9x^2+12x-1 is strictly i...

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  9. The rate of change of volume of a sphere with respect to its radius wh...

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  10. Find two positive numbers whose sum is 16 and the sum of whose Cubes i...

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  11. Find the following: int 1/(x(x^7+1))dx

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  12. Find the following: int1^4abs[x-2]dx

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  13. Find int0^(pi/2) logsinxdx

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  14. Evaluateint0^4x^2dx as the limit of a sum.

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  15. Area bounded by the curves y=cosx ,x=pi/2, x=0, y=0 is

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  16. Find the area of the region bounded by the y^2=4ax and x^2=4ay, a>0

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  17. The order of the differential equation x^2 (d^2y)/(dx^2)=1+(dy/dx)^3 i...

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  18. Find the particular solution of the differential equation (1+x^2)(...

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  19. The projection of the vector 2i+3j+2k on the vector i+j+k is a)frac(3...

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  20. Find the area of a parallelogram whose adjacent sides are the vector 2...

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