show that √32 +√8 =√72
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√32 = √(16×2) = √[(4)²×2] = 4√2
√8 =√(4×2) = 2√2
√72 = √(36×2) = 6√2
so, √32 +√8 = 4√2 +2√2 = 6√2 = √72
√8 =√(4×2) = 2√2
√72 = √(36×2) = 6√2
so, √32 +√8 = 4√2 +2√2 = 6√2 = √72
Answered by
1
√32= 2×2√2= 4√2............ √8= 2√2.................. 4√2+2√2= 6√2= √72....
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