Question:
how we find sum of an ap
Answer:
Sum of an A.P., Sn = (n/2)[2a + (n - 1)d]
Here, a is first term
d is common difference
n is number of terms.
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Sum of an A.P., Sn = (n/2)[2a + (n - 1)d]
Here, a is first term
d is common difference
n is number of terms.