Question

D. (-1, -3)
2. When 2x3 + x2 – 3x + 10 is divided by 2x-1, then the remainder is
A. 6
B. 7
C. 9
D. -9​

Answer 1

Answer:

9

Step-by-step explanation:

in the pic

Hope this helps you

Answer 2

Divident equation = 2x³+x²-3x+10

2x-1 is a factor.

Then :-

2x-1 = 0

x = 1/2

p(x) = 2x³+x²-3x+10

p(1/2) = 2(1/2)³+(1/2)²-3×1/2+10

= 2(1/8)+1/4-3/2+10

= 1/4+1/4-3/2+10

On taking LCM :-

= (1+1-6+40)/4

= 36/4

= 9

Hence, the remainder is option c. 9