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If the matrix [(a,b),(c,d)] is commutati...

If the matrix `[(a,b),(c,d)]` is commutative with the matrix `[(1,1),(0,1)]` then

A

`a=0,b=c`,

B

`b=0,c=d`

C

`c=0,d=a`

D

`d=0,a=b`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2008-MULTIPLE CHOICE QUESTIONS
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  3. If the matrix [(a,b),(c,d)] is commutative with the matrix [(1,1),(0,1...

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  4. If 1,omega,omega^(2) are cube roots of unity, then |(1,omega^(n),omega...

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  5. Let A={1,2,3} and B={2,3,4}, then which of the following relations is ...

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  6. One possible condition for the three points (a,b),(b,a) and (a^(2),-b^...

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  7. If the m^(th) term and the n^(th) term of an A.P. are respectively (1)...

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

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  9. Find int0^(pi/2) logtanxdx

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  10. Find int 1/sqrt(2x-x^2)dx

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  11. If h(x)=(x^(3)-a^(3))/(x-a), then find h(a).

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  12. The value of (1-omega+omega^(2))^(5)+(1+omega-omega^(2))^(5), where om...

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  13. The degree of the differential equation [1+((dy)/(dx))^(2)]^(5//3)=(d^...

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  14. The differential equation of all parabolas whose axes are parallel to ...

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  15. The solution of the differential equation (dy)/(dx)=e^(y+x)+e^(y-x) is

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  16. The value of the integral int(0)^(2)|x^(2)-1|dx is

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  17. If x=e^(t)sint, y=e^(t)cost then (dy)/(dx) at t=pi is

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  18. The value of (dy)/(dx) at x=(pi)/(2), where y is given by y=x^(sinx)+s...

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  19. The value of int(0)^(pi)|cosx|dx is

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  20. The value of int(-3)^(3)(ax^(5)+bx^(3)+cx+k)dx, where a, b, c, k are c...

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