Math, asked by rahil5166, 5 hours ago

if the fifth and 12th term of an ap are -4 and -18 respectively find the sum of first 20 terms of the AP​

Answers

Answered by shekkr
0

Answer:

307.5

Step-by-step explanation:

From given two data 4th and 12th term we can find first term and common difference of Ap .Then use sum of n terms formula to calculate the required sum

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