Question

PETS/SAT (0009)Show that the sum of the square of any four c

Answer 1

Solutions:let the 4 consecutive odd number are (2x-1)、(2x+1)、(2x-3)、(2x+3)

so (2x-1)²+(2x+1)²+(2x-3)²+(2x+3)²

Contractions have 16x²+20

becase 16 and 20 are divisible by 4.

so when x=?（x≠0）

eg:when x=1, so the 4 consecutive odd number are 1、3、-1、5.

…… ………………