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Question

If x4+1(x−1)(x−2)=Ax2+Bx+C−2x−1+17x−2, then C=

A
5
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B
3
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C
7
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D
1
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Solution

The correct option is D 7
In the equation
x4+1(x1)(x2)=Ax2+Bx+C2x1+17x2
put x=0
12=C+24172
c=7
the value of c=7

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