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If and B is the inverse of A, then the ...

If and B is the inverse of A, then the value of `alpha` is

A

2

B

0

C

5

D

4

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The correct Answer is:
C
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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2007-MATHEMATICS
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  2. If (x^(2))/(36) - (y^(2))/(k^(2)) = 1 is a hyperbola, then which of th...

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  3. If and B is the inverse of A, then the value of alpha is

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  4. If A={:[(0,x,16),(x,5,7),(0,9,x)]:} is singular, then the possible val...

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  5. If A= [[1 ,-2, 2],[0, 2, -3],[3 ,-2, 4]], then A . adj A=

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  6. If f = R rightarrow R is defined by f(x) = |x|, then,

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  7. The value of {:[(x,p,q),(p,x,q),(p,q,x)]:} is

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  8. The imaginary part of i' is

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  9. The amplitude of (1 + i)^(5) is

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  10. ABC is a triangle.G is the centroid.D is the mid point of BC.If A =(2,...

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  11. lim(x-1)(tan(x^(2)-1))/(x-1) is equal to

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  12. If y = 2^(log x), then (dy)/(dx) is

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  13. 7^(2log(7)^(5)) is equal to

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  14. In the group (G,oplus(15)) where G={3,6,9,12}, oplus(15) is multiplica...

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  15. A group (G,*) has 10 elements. The minimum number of elements of G, wh...

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  16. If vec a and vec b are vectors such that |vec a + vec b| = |vec a - ve...

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  17. (3x^(2) + 1)/(x^(2) -6x + 8) is equal to

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  18. The number of common tangents to the circles x^(2) + y^(2) = 4 and x^(...

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  19. If 3x + y + k = 0 is a tangent to the circle x^(2) + y^(2) = 10, the v...

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  20. The negation of the proposition "If2 is prime, then 3 is odd" is

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