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Question

If the quotient obtained on dividing (x4+10x3+35x2+50x+29) by (x+4) is (x3ax2+bx+6) then find a,b and also the remainder

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Solution

The division of (x4+10x3+35x2+50x+29) and (x+4) is shown above:

Therefore, from the division, we get that the quotient is (x3+6x2+11x+6) and the remainder is 5.

But it is also given that the quotient is (x3ax2+bx+6), thus on comparing the coefficients of both the quotients (x3+6x2+11x+6) and (x3ax2+bx+6), we get

ax2=6x2
a=6
a=6

Also,

bx=11x
b=11

Hence, a=6, b=11 and the remainder is 5.



635031_562490_ans_e2a92a19d4f84d90ac83db369c0b5db7.png

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