Question

2x³+3x²-11x-3 is divided by x²+1/x​​

Answer 1

Answer:

In the given polynomial p(x) = 2x³+ 3x³ − 11x + 6, substitute x=−1 as shown below:

p (−1)=(2×(−1)³) +(3×(-1)²) − (11×(−1) + 6 = (2×−1) + (3×1) + 11 + 6

= −2 + 3 + 11 + 6

=−2+20

=18

Hence, p(−1)=18.