If p3 = q4 = r5 = s6, then the value of logs(pqr) is equal to
Explanation:
Given, p3 = q4 = r5 = s6 = k
⇒ p3 = k ⇒ p = k1/3
Similarly, q = k1/4 r = k1/5 s = k1/6
pqr = k1/3 × k1/4 × k1/5 = k1/3 + 1/4 + 1/5 = k47/60
Now, logs(pqr) = logk1/6 k47/60 = 47/10
Hence, option (a).
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