Question

expand each of the following using identities:

c) ( 1/2a + 1/2b + 1/2c )²​

Answer 1

Answer:

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This is your answer.

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Step-by-step explanation:

(1/2a)²+(1/2b)²+(1/2c)²+2×1/2a×1/2b+2×1/2b×1/2c+

2×1/2c×1/2a

1/4a²+1/4b²+1/4c²+1/2ab+1/2bc+1/2ca

1/4(1/a²+1/b²+1/c²)+1/2(1/ab+1/bc+1/ca)