Question

EXPAND :-
(a + 2b + 5c)^2​

Answer 1

Answer:

(a+b+c)^2 = a^2+b^2+c^2+2ab+2bc+2ac

=(a+2b+5c)^2

= a^2+4b^2+25c^2+40ab+20bc+10ac

follow me

Answer 2

(a+2b+5c)²

a²+(2b)²+(5c)²+2((a)(2b)+2b(5c)+5c(a))

a²+4b²+25c²+2(2ab+10bc+5ac)

follow me