if sum of first 6terms is 96 and sum of first 10 terms is 240 findthe sum of n terms of AP
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an=a+(n-1)d
96=a+(6-1)d
96=a+5d
a+5d=96.....eq 1
now
an= a+(n-1)d
240=a+(10-1)d
240=a+9d
a+9d=240.....eq 2
now solving eq 1 and 2
you will get your answer
96=a+(6-1)d
96=a+5d
a+5d=96.....eq 1
now
an= a+(n-1)d
240=a+(10-1)d
240=a+9d
a+9d=240.....eq 2
now solving eq 1 and 2
you will get your answer
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