Math, asked by vamshivksetty, 2 months ago

. Simplify: (1a + 2b)^2 - ab​

Answers

Answered by asahilthakur
0

Answer:

Identity – (a+b)² = a²+2ab+b²

(a + 2b)² - ab

= a² + 2(a)(2b) + (2b)² - ab

= a² + 4ab + 4b² - ab

= a² + 3ab + 4b²

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