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anonymous
 5 years ago
bsqrt(2)=sqrt(4b2)
anonymous
 5 years ago
bsqrt(2)=sqrt(4b2)

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(b)sqrt(2)=sqrt(4b2)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Did you try squaring both sides?

nowhereman
 5 years ago
Best ResponseYou've already chosen the best response.0That will work, but you have to restrict the definition set of b.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yeah but got a bit confused by the first b

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[b\sqrt{2} = \sqrt{4b2}\] \[\implies (b\sqrt{2})^2 = (\sqrt{4b2})^2\] \[\implies b^22 = 4b2 \text{, for }b>\frac{1}{2}\] etc.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0what would the next step be then?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0divide by the 2 or add the two

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Moving everything to one side to get the equation equal to 0, then use the quadratic equation.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0oooh thank you! what about that first two though?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0If you want to divide the whole thing by 2 you certainly can.
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