Question

x/12! = 1/10! + 1/11!

find the value of x
pls solve it
this is urgent ​

Answer 1

x/ 12*11*10*9*8*7*6*5*4*3*2*1 = 1/10*9*8*7*6*5*4*3*2*1. +. 1/11*10*9*8*7*6*5*4*3*2*1

x/479,001,600= 1/ 36,28,800 + 1/39916800

x = 144

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