Question

using suitable identities find the product of I) (3a+B)^2
please be fast it's urgent​

Answer 1

Answer:

identity: (a+b)^2 =a^2+2ab+b^2

Step-by-step explanation:

(3a+b)^2 =3a^2 +2(3a)(b)+ b^2

=9a^2+6ab+b^2