scheme language please

1. Symbolic differentiation. The rules of differentiation are given as follows. de C) = 0 () = 1 u + v) and BIESIA de cu/v) = (vete - 702 Write a function named diff to differentiate an expression with respect to x. For example, (diff ' 'x) => 1, (diff 'x '(+ (* 2 x) 1)) => (+ (+ (* * *) (* 2 1)) ) Hint: you can use the built-in functions symbol? and number? for the basis cases. (define (diff x expr) (cond ((or (number? expr) (symbol? expr)) (if (eq? expr *) 1 )) (else ... 1. Symbolic differentiation. The rules of differentiation are given as follows. de C) = 0 () = 1 u + v) and BIESIA de cu/v) = (vete - 702 Write a function named diff to differentiate an expression with respect to x. For example, (diff ' 'x) => 1, (diff 'x '(+ (* 2 x) 1)) => (+ (+ (* * *) (* 2 1)) ) Hint: you can use the built-in functions symbol? and number? for the basis cases. (define (diff x expr) (cond ((or (number? expr) (symbol? expr)) (if (eq? expr *) 1 )) (else