What is the limit as n approaches 6 of (-1)^n7n ?

The limit as n approaches 6 of (-1)^n7n is 42

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limit as n approaches 6 of (-1)^n7n

n \to 6 lim ((- 1)^{n} 7 n)

42

Solution steps

n \to 6 lim ((- 1)^{n} \cdot 7 n)

Plug in the value

n = 6

= (- 1)^{6} \cdot 7 \cdot 6

Simplify

(- 1)^{6} \cdot 7 \cdot 6 : 42

= 42

x \to 3 lim (- x^{2} + 9 x - 8)

f (x) = d cos (t) + t^{2} sin (t)

\frac{d}{d t} (1 + 4 t)

y^{^{''}} - 2 y^{^{'}} + 5 y = 0, y (\frac{π}{2}) = 0, y^{^{'}} (\frac{π}{2}) = 2

x \to 0 lim ((ln (x)) - \frac{1}{x})

What is the limit as n approaches 6 of (-1)^n7n ?
The limit as n approaches 6 of (-1)^n7n is 42