write the formula for finding sum of nth term in AP.
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For finding sum of nth term,
Sn = 1 / 2 [ 2a + ( n - 1 ) d]
Sn = 1 / 2 [ 2a + ( n - 1 ) d]
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HELLO UR ANSWR...
N = 1/2 (D+NTH TERM GIVEN).....
N = 1/2 (D+NTH TERM GIVEN).....
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