What are A.P numbers? What is the formula for A.P series? Explain with examples.
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In the common difference is equal in the series then the numbers are in A.P
a+d,a+2d,............a+nd.
a+d,a+2d,............a+nd.
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1
Sum of first n terms of an A.P. is
Sn = (n/2)[2a +(n -1)d]1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23 these are ap numbers
Sum the series 2 +4 +6 +... upto 40 terms.
Sn = (n/2)[2a +(n -1)d]1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23 these are ap numbers
Sum the series 2 +4 +6 +... upto 40 terms.
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