Formula of Airthmatic progression?
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sum of n terms = n/2[2a+(n-1)d]
nth term= a+(n-1)d
nth term= a+(n-1)d
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To form A.P when a (first no. of A.P. series) d ( common difference) is given
a,a+d,a+2d,a+3d.....a+nd
To find the value of nth term
an=a+(n-1)d
To find the value of nth term from end of the A.P
an=a-(n-1)d
To find the sum of A.P.
Sn=n/2[2a+(n-1)d]
a,a+d,a+2d,a+3d.....a+nd
To find the value of nth term
an=a+(n-1)d
To find the value of nth term from end of the A.P
an=a-(n-1)d
To find the sum of A.P.
Sn=n/2[2a+(n-1)d]
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