Question

(p+9q+2)^2 evaluate using suitable identity​

Answer 1

Step-by-step explanation:

IDENTITY: (a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ca

a=p;b=9q;c=2

Identity:(p)^2+(9q)^2+(2)^2+2*p*9q+2*9q*2+2*2*p

Answer:p^2+81q^2+4+18pq+36q+4p