Math, asked by adholkawala24, 1 year ago

The first term of finite ap us 5,the last term is 45 and the sum is 500. Find the number of terms.

Answers

Answered by VijayKumar5084

1

Answer:

no of terms=20

Step-by-step explanation:

we can use the formula,Sn=n/2[a+tn]

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