Posted by Marian on Monday, September 16, 2013 at 11:21am.
lim(sqrt(x^4x^2))=0
True or false?

MATHS  Steve, Monday, September 16, 2013 at 2:22pm
if you have limit as x>2, then TRUE

MATHS  Marian, Monday, September 16, 2013 at 4:38pm
i have limit x>0

MATHS  Steve, Monday, September 16, 2013 at 5:27pm
Oh, my bad. I read it as sqrt(4x^2)
If x>0, then since x^4 and x^2 are both 0, then limit is also 0, so TRUE.
so, right answer, wrong reason. :)
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