Question

when px = x^3 -ax^2+13x+15 is divided by x-1 the reminder is 2 , find a

Answer 1

Step-by-step explanation:

Given p(x)= x³-ax²+13x+15

g(x) = x-1

x-1= 0

x=1

given remainder =2

p(1) = 2

(1)³ -a(1)²+13(1)+15 = 2

1 - a +13 + 15 = 2

-a + 29 = 2

a = 27

is the required value of a

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