Code Review
Compare your solutions
(define (sum term a next b)
(define (iter a result)
(if (= a b)
(+ (term a) result)
(iter (next a) (+ (term a) result))))
(iter a 0))
(define (sum term a next b)
(define (iter a result)
(if (= a b)
(+ (term a) result)
(iter (next a) (+ (term a) result))))
(iter a 0))