In an A.P., a=-6 and d = 2. Find the sum...

In an A.P., a=-6 and d = 2. Find the sum of its first 20 terms.

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2020 QUESTION PAPER (1)
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AGRAWAL PUBLICATION-(2019) QUESTION PAPER-EXAMPLE

In an A.P., a=-6 and d = 2. Find the sum of its first 20 terms.
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