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Formula of A P

Manjeet Khajuria
19/10/2022 0 0

an = a+(n-1)d

Where an=last term

a=first term

d=common difference

n=number of term

Note: last term is denoted by an or l

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

Sn=sum of all terms 

 

 

 

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