Math, asked by tisya57261, 11 months ago

What will be the sum in arithmetic progression if first and last terms are given.

Answers

Answered by arjun8734

0

Step-by-step explanation:

When first & last

terms are given you can use the given formula-

s = n/2(a+an)

or

s=n/2(a+l)

Where

a- first term

n- total terms

an- nth term

l- last term

Answered by Anonymous

0

Step-by-step explanation:

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