φ(77)
show\:that\:\sqrt{180}-\sqrt{80}\:\div \sqrt{5}\:is\:an\:integer\:and\:find\:its\:value
sin( $\pi$/2 + α =
resolve the serie $$\sum_{n=0}^{ $\infty$ }{((sin²n))/(n*n^(1/2))}$$
(- ∞, - 1/6)
$$\sum_{n=0}^{ $\infty$ }{((sin²n))/(n*n^(1/2))}$$
20453 in 3 significant figures
Given: f(x) = 2 x +1 and g(x) = -2x-3 + 3.What is -3f+4g?
a.
-12x-5
b.
16x-15
c.
-2x-18
d.
-14x-15
f(x)= x^2/x^2-5
find domain of function