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If a n be the...

Question

If $a_{n}$ be the $n^{t h}$ term of an AP and If $a_{10}$ = 10, then the value of the common difference that would make $a_{8} a_{10} a_{12}$ greatest is

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None of these

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Solution

The correct option is D
None of these

For a product $a \times b \times c$ to be greatest, given a+b+c = constant the condition is a=b=c.
(i.e.,) d=0

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