if 15th term of an A. P. exceed it's 10th term by 20 then what is the common difference
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Answer:
d=(-4)
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Heya!! Here’s the detailed answer.....
a15-a10=20
a+14d-(a+19d)=20
a+14d-a-19d=20
-5d=20
d=20/-5
d=(-4)
Hope it helps.....mark the brainliest....
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