q = rt2(p−r3)
q = t2(p−r2)
q = rt(p−r3)
q = (p−r3)rt2
q = rt2(p - r3)
Correct answer is A
t = √pq/r - r2q
multiply both sides by the L.C.M, r
r2 = pq - qr3
collect like terms on the RHS
q(p - r3) = rt2
q = rt2(p−r3)
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