Question

Evaluate:
(i) (a+2b)²
(ii) (2a-3b)²​

Answer 1

•|| AnSwEr ||•

(i) (a+2b)²

➡(a)²+2×a×2b+(2b)²

➡a²+4ab+4b²

(ii) (2a-3b)²

➡(2a)²-2×2a×3b+(3b)²

➡4a²-12ab+9b²

Hope it helps you...