((1 + sqrt(3))/2)^2 + ((1 - sqrt(3))/2)^2
-24/5/-8=?
((1 + sqrt(3))/2)^3 + ((1 - sqrt(3))/2)^3
6300×0.45
find the derivative of f(x)=cos(x^2e^x)
8x^7y^4x^3
P+800=1000*root(P)-2000
$\sqrt{\Box}$8x^7y^4x^3
g(x)=-x^4+5x^3+7
A hunter prodeces a 150° angle in the eye of a bird situated 2km away on the ground