Tuesday, 11 November 2025

Using Componendo and dividendo, find the value of x: (√(3x+4) +√(3x-5))/(√(3x+4) - √(3x-5)) = 9. [icse 2011]











 

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If find x. 1/(9!) + 1/(10!) = x/(11!).

  Here n! is read as n factorial. It can be written as n(n-1)! or n(n-1)(n-1)!