Question

Q7: Find the Squre of (a+b+3)​

Answer 1

Answer:

a²+b²+9+2ab+6b+6a

Step-by-step explanation:

(a+b+3)²

a²+b²+3²+(2×a×b)+(2×b×3)+(2×3×a)

a²+b²+9+2ab+6b+6a

I hope this will help you