slove this please! .....
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1/9! + 1/10! = x/11!
=> (10+1)/10!= x/11!
=> 11/10!=x/(10! ×11)
=> 121/10! = x/10!
=> x= 121
=> (10+1)/10!= x/11!
=> 11/10!=x/(10! ×11)
=> 121/10! = x/10!
=> x= 121
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