What is the limit as x approaches-1 of x^4-2x^2-1 ?

The limit as x approaches-1 of x^4-2x^2-1 is -2

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limit as x approaches-1 of x^4-2x^2-1

x \to - 1 lim (x^{4} - 2 x^{2} - 1)

- 2

Solution steps

x \to - 1 lim (x^{4} - 2 x^{2} - 1)

Plug in the value

x = - 1

= (- 1)^{4} - 2 (- 1)^{2} - 1

Simplify

(- 1)^{4} - 2 (- 1)^{2} - 1 : - 2

= - 2

\int_{0}^{0.6} (600 x) d x

\frac{d y}{d x} = \frac{( sec ( y ) )}{( x - 1 ) ^{2}}

\int_{0}^{π} sin^{5} (x) d x

\frac{s}{( s + 1 )}

What is the limit as x approaches-1 of x^4-2x^2-1 ?
The limit as x approaches-1 of x^4-2x^2-1 is -2