Thursday, 31 July 2025

Find the angle between the straight lines y-√3x-5=0 and √3y-x+6=0. [n c e r t ]


   









 

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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)!