Question

find the value of A and B if division of polynomial p x = 29 x cube minus 3 x cube + X - b with X - 1 leaves reminder to and division of it by x minus 2 by 3 leaves remainder "-3"​

Answer 1

Step-by-step explanation:

Solution



Verified

Correct option is

B

12718

By Remainder Theorem,

R1=a(4)3+3(4)2−3=64a+45                            ...(i)

R2=2(4)3−5(4)+a=128−20+a=108+a              ...(ii)

Given: 2R1−R2=0

∴2(64a+45)−(108+a)=0                (from (i) and (ii))

⇒128a+90−108−a=0

⇒127a=18

a=12718

Option B is correct.