Question

Find the sum of even integers from 2 through 64

Answer 1

First a integer is a hole number not a fraction it is 2080

Answer 2

Explanation:

Tn= a+(n-1)d

64= 2+2n-2

64=2n

Or n=32

Sn= n/2{a+Tn}

=32/2{2+64}

= 16(66)

= 1056