Math, asked by sharmasushil2708, 6 months ago

(6) Sum of the first 65 terms in am A.P. is 2600 , find the 32 nd term .

Answers

Answered by anurag2147

2

n= 65 , Sn = 2600

Sn= n/2 {2a+(n-1)d } = 2600

65/2 { 2a +(65-1)d } =2600

65 { 2a +64d } = 5200

2a +64d = 5200/65

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