Math, asked by shuaibmirzadl6766, 1 year ago

The Sum Of First 13 Terms Of An Arithmetic Sequence Is 416. Find It'S 7Th Term

Answers

Answered by sumansagreeka043

11

S13=416

A7=?

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

S13=13/2(2a+12d)

416=13(a+6d)

416/13=a+6d

32=a7

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