Saturday, 24 June 2023

Without solving the following quadratic equation, find the value of 'm' for which the given equation has real and equal roots x²+2(m-1)x+(m+5)=0.


 

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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)!