Question 1159531
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A) {{{(n+1)!/(n-1)! = ((n+1)(n)(n-1)!)/(n-1)! = (n+1)(n)}}}<br>
B) {{{(2n+1)!/(2n+3)! = (2n+1)!/((2n+3)(2n+2)(2n+1)!) = 1/((2n+3)(2n+2))}}}<br>
Change the format of each result if required....<br>