Given that p varies as the square of q and q varies inversely as the square root of r. How does p vary with r?
a
p varies as the square of r
b
p varies as the square root of r
c
p varies inversely as the square of r
d
p varies inversely as r
Explanation
Correct Option
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U_Martins1
11 years ago
P&q^2
P=kq^2
q^2=p/k
q= square root of p/k............. 1.
q&1/sq root of r
q=k/sq root of r
q multiply by sq root of r=k
q=k/sq root of r
P/k (inside sq. Root) =k/ sq root of r
P/k=k^2/r
Pr=k^3
P=k^3/r
P=1/r
Therefore, p varies inversely as r.


