Question 1082626
C( 52,7 ) = {{{ 52! / ( 7!*( 52 - 7 )! ) }}}
{{{ 52! / ( 7!*45! ) }}}
{{{ ( 52*51*50*49*48*47*46 ) / ( 7*6*5*4*3*2*1 ) }}}
{{{ ( 52*51*10*7*8*47*46 ) / ( 4*3*2*1 ) }}}
{{{ 13*17*5*7*8*47*46 = 133784560 }}}
The answer is A)
I did cancellations in 2 steps