− += 21
is a two-parameter family of solutions of the differential equation
′′ yy =− 0
on ( ,∞∞− ), find a member of the famil...
6sq
5/7 - 3/21
simplify 2pq/8p2q2
(2x + e^y )dx + (xe^y)dy = 0
4x+1>5
1000cm/min into m/s
1000cm/min -> m/s
