The suitable formula to find the sum of first n terms of the AP 1+3+5+7.........is____
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to find the sum of first term of ap
the formula is
S=n/2[2×a+(n-1)×d]
so for that you need to know
first term (a)
common difference (d)
and if asked to find out the number of term then the value of sum should be there
to find the sum of first term of ap
the formula is
S=n/2[2×a+(n-1)×d]
so for that you need to know
first term (a)
common difference (d)
and if asked to find out the number of term then the value of sum should be there
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Sum of first n odd natural number is n^2
for e.g. Sum of first five odd natural number is 5^2 = 25
for e.g. Sum of first five odd natural number is 5^2 = 25
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