Monday, 28 July 2025

Find the equation of the line that is parallel to 2x+5y=7 and passing through the mid point of the line joining (2,7) and (-4,1).[ncert]





 




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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)!