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Let a x^7+b x^6+c x^5+dx^4+e x^3+fx^2+gx...

Let `a x^7+b x^6+c x^5+dx^4+e x^3+fx^2+gx+h=|[x+1,x^2+2,x^2+x],[x^2+x,x+1,x^2+2],[x^2+2,x^2+x,x+1]|` then

A

g=3 and h=-5

B

g=-3 and h=-5

C

g=-3 and h=-9

D

none of these

Text Solution

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The correct Answer is:
D
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FIITJEE-DETERMINANT-SOLVED PROBLEMS (OBJECTIVE)
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  3. Let a x^7+b x^6+c x^5+dx^4+e x^3+fx^2+gx+h=|[x+1,x^2+2,x^2+x],[x^2+x,x...

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  4. If D=|{:(2,1,[sin^2 theta]),([sin^2 theta],cos theta,i),(i,1,sin theta...

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  5. If f(x)=|(1,x,x+1),(2x,x(x-1),(x+1)x),(3x(x-1),x(x-1)(x-2),(x+1)x(x-1)...

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  6. Delta=|{:(" "p,2-i,i+1),(2+i," "q,3+i),(1-i,3-i," "r):}| is always

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  7. If a,b,c be the pth, qth and rth terms respectively of a H.P., the |(b...

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  8. The system of equations x+2y +3z =4, 2x+3y+4z=5,3x+4y+5z=6 has

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  13. The parameter on which the value of the determinant |1a a^2"cos"(p-d)x...

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  17. Consider the determinant, Delta=|(p,q,r),(x,y,z),(l,m,n)| . M(ij) d...

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  18. Consider the determinant, Delta=|(p,q,r),(x,y,z),(l,m,n)| . M(ij) d...

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  19. Statement -1 : Let a,b,c are the sides of a DeltaABC such that |{:(a,a...

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