Math, asked by roshni3517, 1 year ago

please help me to solve this question!​

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Answered by wwwmekalaramarao92
0
second term can be written as a+d=12 , fourth term can be written as a+3d=25, solve elimination method and common difference gained and 25 term can be written as a+24d, answer is 168
Answered by arvinjoel
1

the sum of the first 25 terms in AP is 1400

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roshni3517: Tnx so much
arvinjoel: why tnx...???
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