Question

A squareroot b=squareroot 128 and a=8 then find the value of b

Answer 1

Pikachu! Your answer ^_^
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a√b = √128 ( as √128 = √64*√2 = 8√2 ) and ( a = 8 given )

8√b = 8√2

√b = √2

b = 2
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Pikachu! ^_~