Question

2) P(m)= m3 + 2m2 - m + 10 then find P (a) + P(-a)
​

Answer 1

Answer:

Given that,

P(m)=m

3

+2m

2

−m+10

P(a)+P(−a)=[a

3

+2a

2

−a+10]+[(−a)

3

+2(−a)

2

−(−a)+10]

=a

3

+2a

2

−a+10+[−a

3

+2a

2

+a+10]

=a

3

+2a

2

−a+10−a

3

+2a

2

+a+10

=4a

2

+20