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storyw4 Group TitleBest ResponseYou've already chosen the best response.0
dw:1344742023146:dw
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
\[\frac{u^2}{(w2)^2}=v\]Implied domain w!=2 \[u^2=v(w2)^2\]Multiplied (w2) on both sides
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
Now. What do you think we divide by on both sideS?
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
yes. You get: \[u/v = (w2)^2\] Now you need to perform a certain operation to both sides to get rid of the ^2...
 2 years ago

storyw4 Group TitleBest ResponseYou've already chosen the best response.0
square root
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
Yes. You get: \[\sqrt{u/v}=\sqrt{(w2)^2}\]
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
Now, what's sqrt(x^2)=?
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
I assume you're in reals domain
 2 years ago

storyw4 Group TitleBest ResponseYou've already chosen the best response.0
yeah i am and just x
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
Not quite. what's sqrt((5)^2)?
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
yes. And now that you've seen that, what do you think sqrt(x^2) is? it's not just x, since then the answer to sqrt((5)^2) would be 5...
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
Well, sort of. For \[x \epsilon R\]\[\sqrt{x^2}=x\]
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
But anyways, whats our 'x' in the problem?
 2 years ago

storyw4 Group TitleBest ResponseYou've already chosen the best response.0
is the answer w=2v +u√(v)
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
Well what I got was \[\pm \sqrt{u/v}2\]
 2 years ago

storyw4 Group TitleBest ResponseYou've already chosen the best response.0
dw:1344743061685:dw what about this
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
That's the same thing.
 2 years ago

storyw4 Group TitleBest ResponseYou've already chosen the best response.0
i htought yours was a negative 2
 2 years ago

vf321 Group TitleBest ResponseYou've already chosen the best response.2
Oh yeah it was . Typo, my bad.
 2 years ago

storyw4 Group TitleBest ResponseYou've already chosen the best response.0
so is my picture correct?
 2 years ago
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