Question

for every natural number n . n(n+1) is always ...........​

Answer 1

Answer:

the answer is even.........

Answer 2

$Given \: for \: every \: natural \: number \:n$

$\red{ n(n+1) \:is \: always}\\ \underline{\green { \: even \: natural\: number }}$

Examples:

1. If n = 2 then n(n+1) = 2(2+1)=6

2. If n = 5 then

n(n+1) = 5(5+1) = 30

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