This is a problem using the Scheme programming...Can anybody help me with this problem?
2. Write a procedure (sphere r) that takes the radius of a sphere as the value of its input parameter and returns the volume of that sphere given by the formula: (4/3)π(r^3). Use (require scheme/math) or (require racket/math) to load the math library containing the "pi" constant. Be sure to use "cube" from problem (1) to find the cube of r (r^3). Tests: (sphere 2) ==> 33.51 ... (sphere 5.3) ==> 623.61 ...
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