licensed plates

How many different car licensed plates can be constructed if the licenses contain four letters followed by three digits if repetitions are allowed?

MATH 3013 – Discrete Mathematics Show the significant steps of your work clearly for ALL problems. You may receive zero or reduced points for insufficient work. Find an explicit formula for the recurrence relation (a) an = −3an−1 + 11an−2 + 3an−3 + 10an−4 (b) an = 13an−1 − 57an−2 + 99an−3 − 54an−4 Solve […]

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