sana66115 sana66115
  • 07-11-2021
  • Mathematics
contestada

(a + b)² = a² + 2ab + b2 with step by step explanation​

Respuesta :

lujain792003 lujain792003
  • 07-11-2021

Step-by-step explanation:

Given: (a+b)²

To prove: (a+b)² = a² + 2ab + b²

Proof:-

(a+b)² = (a+b)(a+b)

(a+b)²=a(a+b)+b(a+b)

(a+b)² = a²+ab+ab+b²

(a+b)² = a²+2ab+b².

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