find the square of : 3a + 7b
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Answered by
2
Step-by-step explanation:
answer is 9a^2+42ab+49b^2
hope it helps u
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Answered by
1
Answer:
here is your answer....
3a + 7b
=>(3a+7b)²
=>(3a)²+(7b)²+2(3a)(7b)
=>9a²+47b²+42ab......
#hope it will help you✌✌
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