Difference for a Change
Find df. If cosh(xcos(x))
What is
df=sinh(xcos(x))\cdot [cos(x)-xsin(x)]dx?
lim_{x->2^+}\frac{4-x^2}{|2-x|}
What is -4?
Find f(x) if
f'(x)=cosx(secx+tanx-sec^3x), f(0)=3
What is
f(x)=x-cosx-tanx+4?
The x-value where there is a local max to
f(x)=2x^3-5x^2+4x-7
What is x=4?
The country is the only one in the world with a flag that is not rectangular or square.
What is Nepal?
find f'(x) if,
f(x)=\frac{arctan(3x)}{ln(1+2x)}
what is
f'(x)=\frac{\frac{3ln(1+2x)}{1+9x^2}-\frac{2arctan3x}{1+2x}}{(ln(1+2x))^2
?
lim_{x->oo}(1+2x^3)^\frac{1}{5x^3}
What is 1?
Find f(x) if
f'(x)=\frac{\sqrt(x)\cdot2^x+\sqrt(x^5)+1}{\sqrt(x)}
what is
f(x)=\frac{2^x}{ln2}+\frac{x^3}{3}+2\sqrt(x)+c
Find equation of tangent line to
ln(xy)=sin(x+y) \text{ at } (1,\frac{pi}{4})
What is
y-\frac{pi}{4}=\frac{pi}{4}(x-1)?
The first commercially successful video game, released in 1972, that became a cultural phenomenon.
What is pong?
Find f'(x). If
f(x)=(cosx)^x
What is
f'(x)=(cosx)^x(ln(cosx)-\frac{xsinx}{cosx})
?
lim_{x->0^+}\frac{ln(x)-ln(x+1)}{x}
What is
-oo?
Find the Anti-derivative of
f(x)=\frac{x^2}{pi+x^3}
What is
F(x)=\frac{1}{3}ln(pi+x^3)+c?
Where is
f(x)=(x-2)\root3{x}
increasing?
What is (1/2,oo)?
The sport Bobby Fischer played.
What is chess?