Question

Find reminder. if x³-5x²+3x+6 is divided by 2x+1​

Answer 1

Answer:

25/8

Step-by-step explanation:

we will use remainder theorem here.

so,if the dividend is divided by the divisor then the divisor must be a factor of dividend

So,

2x+1=0

X = -1/2

we will put this value in the dividend so as to find the remainder,

(-1/2)³ - 5(-1/2)² +3(-1/2) +6

= -1/8 -5/4 -3/2 +6

= (-1-10-12+48)/8. (L.C.M)

=25/8

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