Question

for polynomial 14x4+6x-23x8+ 10 find the coefficient of x4​

Answer 1

Answer:

(i) Coefficient ofx

2

in the following

6

π

x+x

2

−1, Coefficient of x

2

=1

(ii) 3x−5, coefficient of x

2

=0

(iii) (x−1)(3x−4)=3x−7x+4

Now coefficient of x

2

=3

(iv) (2x−5)(2x

2

−3x+1)

=4x

2

−6x

2

+2x−10x

2

15x−5

=4x

2

−6x

2

+17x−5

Coefficient of x

2

=−16