Question

Find the sum of the following series 2+4+6+8+..........to n terms

Answer 1

Answer:

just use the formula

Step-by-step explanation:

n(n+1)

where n=number of even numbers

Answer 2

Answer:

$(2 + 100) + (4 + 98) + (6 + 96) + ....(50 + 52)$

So , The Answer is

$25 \times 100 + 25 \times 2 = 2500 + 50 = 2550$