Wednesday, 16 April 2025

The vectors-2i ̂+4j ̂+4k ̂ and-4i ̂-2k ̂ represent the diagonals BD and AC of a parallelogram ABCD.Then find the area of the Parallelogram. [ISC2006]


 

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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)!