Question

1) The value of (a + b )2 - (a - b)2 is __​

Answer 1

Answer:

The value of (a + b )2 - (a - b)2 = 4ab

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Answer 2

Answer:

(-a^2+b^2)

Step-by-step explanation:

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

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

(-a^2+b^2)