Question

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Answer 1

Answer:

Step-by-step explanation:

(2) question

example: let's take 2n+1 as one odd number and 2n+1 as second odd number

= 2n+1 +2n + 1

= 4n + 2

= 2 (2n + 1 )

let n=0,4(0)+2=2

letn=1, 4 (1) +2= 6,.......

hence proved

(3) question

in number theory, a perfect number is a positive integer that is equal to the sum of its positive divisiors, excluding the number itself. for example, 6 has divisors 1,2,3,( excluding itself), and 1+2+3=6 so 6 is a perfect number.

Answer 2

Answer:

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