80% into a fraction
\frac{1}{100000}\int _0^t\:-20000\left(t-1\right)sin\left(2\left(t-a\right)\right)da
let f(x)=x^3+2x+3find x such that arcf(x)=1
3.5+3.5 how to come 7/2×7/2
3.5
3.
d/dx (e^alogx)
$\sqrt{650x^{4}+2180x^{3}y+2940x^{2}y^{2}+1760xy^{3}+400y^{4} }$
+3.5
((7×9)−(6×6)+7-0−2+(3×2))−17
3.5+3.5 how to right 7/2×7/2
