Math, asked by swativagdiya75, 2 months ago

If p(x)=5x^2+kx+3 is divided by x+3 , the remainder is 30, then find the value of k.

Answers

Answered by Anonymous

6

x³ +2x ² +kx+3

∴f(3)=21

3³ +2.3 ²

−3k−3=21

9+6+k+1=7

k= -9

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