The first & last term of an AP are 5 and 100 respectively find the sum of the AP if the AP has 20 term

asked Oct 20, 2023 197k views

1 vote

The first & last term of an AP are 5 and 100 respectively

find the sum of the AP if the AP has 20 term

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3 votes

Answer: 1050

Explanation:

Substituting into the formula for the sum of an AP, the sum is

$(5+100)/(2) \cdot 20=1050$

Misagh answered Oct 24, 2023

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