Question

Show that (a + b)2 - (a - b)2 -4ab = 0​

Answer 1

Answer:

Question....

Step-by-step explanation:

Answer... (a+b)

2

=a

2

+2ab+b

2

.(1) and (a−b)

2

=a

2

−2ab+b

2

Now subtracting (2) from (1) we get

(a+b)

2

−(a−b)

2

=4ab.

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