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4 points
by
skenney26
6097 days ago |
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It looks like the final left paren in hyfac is misplaced. It needs to be before the call to fac. Also, unless you explicity return y, hyfac will just return nil.
(def hyfac (n) (let y 1 (for x 1 (+ n 1) (= y (* y (fac n)))) y))