Math, asked by payaldeshmukh12, 10 months ago

Find n if (n+1)! = 42x(n-1)!​

Answers

Answered by tamizhvanan92
4

Answer:

n=-7and6

Step-by-step explanation:

(n+1)n(n-1)!=42(n-1)!

n^2+n-42=0

n=-7,6

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