Question

please solve this sum ​

Answer 1

if we use x-2 as a factor of both,

Given,

p(2)=f(2)

then,2(2)^3+b(2)^2+3(2)-5=2^3+2^2-4(2)+b

16+4b+6-5=8+4-8+b

17+4b=4+b

4b-b=4-17

3b=-13

b=-13/3