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First Derivative Test for Local . Extrema. If f ' changes from +ve to -ve at x=c , ... If in cot , csc , sec , convert to sin , cos , tan 1: Eliminate 0 terms in denominator in any2: Sub in the values to evaluate the limit. 1.6.1: Squeeze Theorem. Given that 3- x 2 ≤f x ≤1+2 e x ∀x. ................
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