Math, asked by Tanveergupta8150, 1 year ago

If a7=6in an AP of 13 terms then the value of s13

Answers

Answered by sujalabhinav74
3

Answer:


Step-by-step explanation:

By solving with the help of the equation

Sn=n/2(a+l)

We get n=10

Puting the value in

Tn=a+(n-1)d

By solving this equation

We get d=3

HOPE THIS WILL HELP U


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