Mathematics ITU Board 2019
a) If A , G , and H are the arithmetic, geometric, and harmonic means between two unequal positive numbers, prove A G H . b) State the relation between permutation and combination of n objects taken…
10a) If , , and are the arithmetic, geometric, and harmonic means between two unequal positive numbers, prove . b) State the relation between permutation and combination of objects taken at a time. A committee of 5 is formed from 6 boys and 5 girls. How many ways include at least one boy and one girl?
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