Question

What is the sum of
2+4+6+8+...+102

Answer 1

here
d =2
a=2
l=102
then
102=2+(n-1)2
n=51
sum=51/2(2×2+(51-1)2)
=102+2550
=2652

Answer 2

Answer:

Step-by-step explanation:

Just refer the picture for clear answer