288*n^2 - 96*n
25+1/2*25
538427
809565
149503
119401
6240012
3233792
1392721
1595346
50/x=20/(x-20)
solve for x
lim sin4x/sin3x
x->0
6over b 7 =10over 4 whats the value of b
2:5=x:25
find the equation of the tangent line and normal line to the curve y = 4x^2 - 2x + 1 at (-2,21).
687930