Question

(a+b)²-1.


please solve this question​

Answer 1

( a + b ) ² - 1

Using the identity

• ( a + b ) ² = a² + 2ab + b²

Answer ➡ a² + 2ab + b² - 1

Answer 2

Answer:

(a+b)^2 - 1

(a^2 +2ab+b^2) -1

-a^2 -2ab-b^2

a^2 +2ab+b^2

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