Question

Expand the following
(3a /2-2/3b)^2​

Answer 1

Answer:

81a²b² + 16 - 72ab/ 36b

Step-by-step explanation:

(3a/2 - 2/3b )² ( L.C.M. of 2 and 3b is 6b)

( 9ab - 4 / 6b )². ( using (a-b)² = a²+b² -2ab )

81a²b² + 16 - 72ab/ 36b

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