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If A=[(-8,5),(2,4)] satisfies the equati...

If `A=[(-8,5),(2,4)]` satisfies the equation `f(x)=x^(2)+4x-p=0` then `p=`

A

64

B

42

C

36

D

24

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The correct Answer is:
B
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  3. If A=[(-8,5),(2,4)] satisfies the equation f(x)=x^(2)+4x-p=0 then p=

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  7. A=[(i,-i),(-i,i)],B=[(1,-1),(-1,1)]impliesA^(8)=

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  8. f(x)=|(1,x,x+1),(2x,x(x-1),x(x+1)),(3x(x-1),x(x-1)(x-2),(x-1)x(x+1))|i...

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  9. If A= [{:(-1, -2, -3),(4,4,3),(4,5,6):}], find its rank

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  10. Given that, a alpha^(2) + c ne 0 and that the system of equations (a...

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  14. |(24,25,26),(25,26,27),(26,27,27)|=

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  15. f(x)=|(2 cosx, 1, 0),(x-(pi)/2, 2 cos x, 1),(0, 1, 2cosx)|impliesf'(pi...

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  17. If the system of equations (k+1)^(3)x+(k+2)^(3)y=(k+3)^(2),(k+1)x+(k+2...

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  18. If A is a nonzero square matrix of order n with det(I+A)!=0 and A^(3)=...

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  19. Suppose A and B are two square matrices of same order. If A, B are sym...

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  20. If one of the roots of |{:(3,5,x),(7,x,7),(x,5,3):}|=0 is -10, then th...

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