Question

Y у
12. The polynomial 2x3 - Kx2 + 7x + 1, When divided by (x - 1), leaves​

Answer 1

Answer:

et f(x)=2x  

3

−kx  

2

+7x−1.

Now according to the remainder theorem, when f(x) is divided by x−1 then the remainder is f(1).

Now, f(1)=2−k+7−1=8−k.

According to the problem,

8−k=3

or, k=5.

Step-by-step explanation: