simplify (3root+7root)^2
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Answer:
MARK AS BRAINLIEST!
Step-by-step explanation:
10+2√21
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(√3+√7)²
We know that,[(a+b)²=a²+2ab+b²]
=>(√3+√7)²=(√3)²+2(√3)(√7)+(√7)²
=>(√3+√7)²=3+2√21+7
=>(√3+√7)²=10+2√21
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