#lang racket

(provide sum-of-squares square-of-sum difference)

(define (sum-of-squares number)
  (error "Not implemented yet"))

(define (square-of-sum number)
  (error "Not implemented yet"))

(define (difference number)
  (error "Not implemented yet"))

#lang racket

(provide sum-of-squares square-of-sum difference)

(define (sum-of-squares number)
  (error "Not implemented yet"))

(define (square-of-sum number)
  (error "Not implemented yet"))

(define (difference number)
  (error "Not implemented yet"))
