Can you explain me the cross multiplication method of solving equation

 

Asked by shashikant | 29th Apr, 2014, 09:48: PM

Expert Answer:

C o n s i d e r comma  fraction numerator x minus 1 over denominator x end fraction equals fraction numerator x squared over denominator x minus 2 end fraction space space space space N o t e asterisk times space c r o s s space m u l t i p l i c a t i o n space c a n space o n l y space b e space a p p l i e d space w h e n space x not equal to 0  A p p l y i n g space c r o s s space m u l t i p l i c a t i o n comma space w e space g e t  open parentheses x minus 1 close parentheses open parentheses x minus 2 close parentheses equals x cubed  rightwards double arrow x squared minus 3 x plus 2 equals x cubed  rightwards double arrow x cubed minus x squared plus 3 x minus 2 equals 0

Answered by  | 30th Apr, 2014, 09:19: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.