Question

(1/2a+1/2b)(1/2a-1/2b)Evaluate

Answer 1

Answer:

b^2-a^2/4a^2b^2

Step-by-step explanation:

use the identity (a-b) (a+b)

=a^2-b^2

Answer 2

Answer:

here is your answer

Step-by-step explanation:

1 /2a + 1/2b ) (1/2a-1/2b)

It can written as 

=1/2(1/2a−1/2b)+1/2b(1/2a−1/2b)

By further calculation=1/4a2−1/4ab+1/4ab−1/4b2

=1/4a2−1/4b2

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