m/x-n/y=a; px-qy=0 solve for x and y pls fast

Answer :

We have  :  mx - ny =  a                       ----- ( 1 )
And 

p x  -  qy  = 0                                   ------- ( 2 )

From equation 2 , we get

px  =  qy   

x  = q yp , Substitute that value in equation 1 , we get

mqyp - ny =  am pqy - ny =  am p - n qqy=  ay=  m p - n qa q 

Substitute that value in equation 2 , we get

pxq ( m p - n qa q ) = 0

pxm p - n qa  = 0

pxm p - n qa

x =  m p - n qa p 

So,

x =  m p - n qa p     and  y  = m p - n qa q                                                            ( Ans )

  • 24
What are you looking for?