4−81x^2
(y'= sin ( tan ( sec^(2) )))'
fully simplify 8x+3y-2x+14-5y+3
y'+4*t*y=8*t
-5x-5x-5=0 will be
2x+3y=11
x+y=5
2039991
1865638
1727247
y'+4ty=86
find U.V and U*V if
U=2i+j+k
V=-4j+3j+k
x/2x-3+4/x+1=1
