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If the sum of an infinite GP a,ar,ar2,ar3,... is 15 and the sum of the squares of its each term is 150, then the sum of ar2,ar4,ar6,... is |
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Answer» If the sum of an infinite GP a,ar,ar2,ar3,... is 15 and the sum of the squares of its each term is 150, then the sum of ar2,ar4,ar6,... is |
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