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(lim)(x->3)(x^4-81)/(2x^2-5x-3)...

`(lim)_(x->3)(x^4-81)/(2x^2-5x-3)`

Text Solution

Verified by Experts

Given `lim_(x->3)(x^4-81)/(2x^2-5x-3)`
=`lim_(x->3)(x^4-3^4)/((x-3)(2x+1))`
on expanding the numerator
=`lim_(x->3)((x-3)(x+3)(x^2+9))/((x-3)(2x+1))`
...
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