Y= 1/ (x^2 +1) i used the chain rule.
y=(x^2 +1)^ -1 y= (-v^-2)(2x)(1) where v: x^2 +1
( -2x (x^2 +1)^2 )
thats incorrect could someone tell me where is my mistake?
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Originally Posted by skeeter
thanks i see it...
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