The mean proportional of a and b is c. What is the mean proportional of a2 c and b2 c?
ATQ, According to the question, c² = ab where c is the mean proportional of a and b Now, the mean proportion of a²c and b²c = √(b²c × a²) =a.b.c ⇒ c² × c ⇒ c³ Hence, The Required value is c³.
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 30 and ratio of the 4th and the 5th number is 2:3. If difference between t...
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