simplify the ratio (n+4)! / (n+3)! ok i know how to simplify ratios like 4!/3! which = 4 but when they put the n in the problem i dont know what to do.
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Originally Posted by flexus simplify the ratio (n+4)! / (n+3)! ok i know how to simplify ratios like 4!/3! which = 4 but when they put the n in the problem i dont know what to do. Just like , we can use the same rationale here; The multiplications cancel as the terms lower to the right, can you see what might be left over?
Remember what a factorial is and write it out, then cancel. Like so: So, See the cancellations?. You are left with n+4.
Originally Posted by Kasper Just like , we can use the same rationale here; The multiplications cancel as the terms lower to the right, can you see what might be left over? thank you i see what you did. n+4
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