(3/4a-2/9b)² solve the question given
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Answer:
Mark brainliest!!!!
Step-by-step explanation:
(3/4a-2/9b)^2
=>(3/4a)^2+(2/9b)^2-2*(3/4b)*(2/9b)
=>9/16a^2+4/81b^2-1/2b
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