Math, asked by yashdevda1980, 10 months ago

when ax²+7x+12 is divided by x-3 the remainder is 51 then find a​

Answers

Answered by rsagnik437
14

x-3=0

x=3

By remainder theorem,we know that when p(x)is divided by (x-3),the remainder is p(3)

p(x)=ax²+7x+12

p(3)=a(3)²+7(3)+12

=>9a+21+12=51

=>9a+33=51

=>9a=18

=>a=18/9

=>a=2

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