Question

(5a+8b)² find using identity



just for correction my answer is 25a²+80ab+64a²​

Answer 1

Answer:

25a²+64b²+80ab

by using identity (a+b)² = a² +b² + 2ab

Answer 2

Step-by-step explanation:

(a+b)² = a²+2ab+b²

= (5a)²+2×5a×8b+(8b)²

=25a³+80ab+64b³

your answer is 25a³+80ab+64b³