Find the square of 3/4a-1/5a
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Answer:
121/400a
Step-by-step explanation: (3/4a - 1/5a)² =
Take LCM as 20 then, 3/4a = 15/20a and 1/5a = 4/20a
(15-4/20a)² = (11/20a)² = 121/400a
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