Question

Prove that 2(n-1)^2 = (n-1) (n-1+1)+n

Answer 1

Did you attempt this question yet?

Answer 2

simplify the right side first

Answer 3

@J-Monstur yes but cannot find the solution i am stuck in the first side it self

Answer 4

just focus on one side...usually you take the more complicated side and simplify it

Answer 5

btw...there's no typo here?

Answer 6

I get n^2

Answer 7

me too...

Answer 8

on the right side

Answer 9

there really is no typo?

Answer 10

but i have to = the left side with the same equation

Answer 11

well these aren't equal at all if there's no typo...

Answer 12

Yah there seems to a typo somewhere cause they don't equal, my friend

Answer 13

then how solve this sequence 1, 2, 4, 8, 16, 32,.........., nth term

Answer 14

First of all can you tell me if you think it's a geometric or arithmetic sequence?