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Given a3 = 15, S10 = 125, find d and a10.

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asked Mar 13, 2018 in Mathematics by paayal (26,720 points) ● 4 ● 6 ● 11
edited Mar 15, 2018 by faiz

Given a3 = 15, S10 = 125, find d and a10.

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answered Mar 13, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 15, 2018 by faiz
 
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The correct answer is:

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