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If a^(2)+b^(2)+c^(2)=-2 and f(x)=|(1+...

If `a^(2)+b^(2)+c^(2)=-2` and
`f(x)=|(1+a^(2)x,(1+b^(2))x,(1+c^(2))x),((1+a^(2))x,1+b^(2)x,(1+c^(2))x),((1+a^(2))x,(1+b^(2))x,1+c^(2)x)|` then f(x) is a polynomial of degree-

A

3

B

2

C

1

D

0

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 4
  1. If f(x)=|(1,x,x+1),(2x,x(x-1),x(x+1)),(3x(x-1),x(x-1)(x-2),x(x-1)(x+1)...

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  2. the value of the determinant |(0, b^(3)-a^(3),c^(3)-a^(3)),(a^(3)-b...

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  3. If a^(2)+b^(2)+c^(2)=-2 and f(x)=|(1+a^(2)x,(1+b^(2))x,(1+c^(2))x),...

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  4. If a, b, c are all different and |(a,a^(3),a^(4)-1),(b,b^(3),b^(4)-1)...

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  5. If p ne 0, then the solutions of the equation |(1,1,x),(p+1,p+1,p+x),...

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  6. If A and B are two square matrices and if A^(-1) and B^(-1) exist, th...

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  9. If A=[(a,b),(b,a)]and A^(2)=[(alpha,beta),(beta,alpha)], then -

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  10. If A=[(1,2),(2,3),(3,4)] and B=[(1,2),(2,1)], then -

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  12. If A be any n xx n matrix and k any scalar, then detkA is equal to -

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  19. If x gt 0, then the value of sin[cot^(-1)cos(tan^(-1)x)] is equal to -

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