Question: With the Extended Euclidean algorithm, we finally have an efficient algorithm for finding the modular inverse. Figure out whether there are the inverses of the

With the Extended Euclidean algorithm, we finally have an efficient algorithm for finding the modular inverse. Figure out whether there are the inverses of the following x modulo m. If yes, please use EEA to calculate it. If not, please explain why. 

(a) x = 13, m = 120
(b) x = 9, m = 46

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