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HELP??? Limits by Direct Substitution FInd the limits. lim 3sq.root2x^2-10 x----> 3

Mathematics
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Other answers:

good
IS IT RIGHT?
as limit approches 3 , we call it 3 and solve as you did.
soo I solved it correctly?:)
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lim_(x->3) (2 x^2-10)^(1/3) = 2
you arithmetic in wrong but you have the idea right.
awww ... ok I thought I was getting it :/
you are but simple arithmetic mistake .
(2 x^2-10)^(1/3) = 2 <---- where'd the 1/3 come from on here...
^^(1/3) = 3sq.root
anther way of writing it. thats all
oh ok thank you so much!
will you help me with one more??
its limit by direct substitution also
ok . dont for get you can always rate me and write Fan Testimonials.
this one is a bit complicated
lim x sec (x) x---> pi
ok
sec meaning secant?
pi sec (pi)
sec ??????????????????????????????
yesss
what happend to you? :)
nothing...
lim_(x->pi) x sec(x) = -pi
is that clear !
aren't you supposed to plug in pi
pi has an infinite vale so the answare -pi
yes but make sure you are clear about: secan=1/cos(x)

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