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(define (square-root x)
(define (square x)
(* x x))
(define (average x y)
(/ (+ x y) 2))
(define (improve g x)
(average g (/ x g)))
(define (good-enough? g x)
(= (improve g x) x))
(define (square-root-iter g x)
(if (good-enough? g x)
g
(square-root-iter (improve g x) x)))
(square-root-iter 1.0 x))
(define (square-root x)
(define (square x)
(* x x))
(define (average x y)
(/ (+ x y)
2))
(define (improve guess x)
(average guess
(/ x guess)))
(define (good-enough? guess x)
(= (improve guess x)
guess))
(define (sqrt-iter guess x)
(if (good-enough? guess x)
guess
(sqrt-iter (improve guess x)
x)))
(sqrt-iter 1.0 x))
(define (square-root x)
(define (square x)
(* x x))
(define (average x y)
(/ (+ x y)
2))
(define (improve guess x)
(average guess
(/ x guess)))
(define (good-enough? guess x)
(= (improve guess x)
guess))
(define (sqrt-iter guess x)
(if (good-enough? guess x)
guess
(sqrt-iter (improve guess x)
x)))
(sqrt-iter 1.0 x))
(define (square-root x)
(define (square x)
(* x x))
(define (average x y)
(/ (+ x y) 2))
(define (improve g x)
(average g (/ x g)))
(define (good-enough? g x)
(= (improve g x) x))
(define (square-root-iter g x)
(if (good-enough? g x)
g
(square-root-iter (improve g x) x)))
(square-root-iter 1.0 x))
(define (square-root x)
(define (square x)
(* x x))
(define (average x y)
(/ (+ x y)
2))
(define (improve guess x)
(average guess
(/ x guess)))
(define (good-enough? guess x)
(= (improve guess x)
guess))
(define (sqrt-iter guess x)
(if (good-enough? guess x)
guess
(sqrt-iter (improve guess x)
x)))
(sqrt-iter 1.0 x))
(define (square-root x)
(define (square x)
(* x x))
(define (average x y)
(/ (+ x y)
2))
(define (improve guess x)
(average guess
(/ x guess)))
(define (good-enough? guess x)
(= (improve guess x)
guess))
(define (sqrt-iter guess x)
(if (good-enough? guess x)
guess
(sqrt-iter (improve guess x)
x)))
(sqrt-iter 1.0 x))