Mathematics, 21.09.2019 18:30 krishawnnn
The sum of n terms of an ap whose first term is 6 and common difference is 40 is equal to the sum of 2n terms of another ap whose first term is 40 and common difference is 6. find n?
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The sum of n terms of an ap whose first term is 6 and common difference is 40 is equal to the sum of...
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