Question

ask the identity (1/3a+2/3b)(1/3a+2/3b)
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Answer 1

Step-by-step explanation:

(1/3a+2/3b)^2

=(1/3a)^2+(2/3b)^2+2(1/3a)(2/3b)

=1/9a^2+2/3b^2+(2/3a)(2/3b)

1/9a^2+2/3b^2+4/9ab is the answer