Question

The value of (a+b)^2-(a-b)^2 is​

Answer 1

Answer:

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Answer 2

Answer:

$(a + b)^{2} - (a - b)^{2}$

$[a + b + (a - b)] [a + b - (a - b)]$

$[a + b + a - b] [a + b - a + b]$

$[2a] [2b]$

$4ab$