Question

What subtopic will we use this formula for
Sn=n/2[2a+(n-1)d

Answer 1

Answer:

this is used to find the sum of terms in GP

HOPE IT WILL HELP YOU IN YOUR STUDY'S

Answer 2

Answer:

this formula is use for find the value of sum of the values in AP ie arithmetic progression

eg 1+2+3+4+5+.........1000

where a=first term =1

d =common difference =1

n=no of terms =1000

I hope this answer help you

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