M varies directly as n and inversely as the square o...
M varies directly as n and inversely as the square of p. If M = 3, when n = 2 and p = 1, find M in terms of n and p.
M = 2n/3p
M = 3n2/2p2
M = n2/2p
M = 3n/2p2
M = 2n/3p2
Correct answer is D
M∝np2
M=knp2
3=k(2)12
3=2k⟹k=32
M=3n2p2