Q. 204.2( 6 Votes )
Solve each of the
Method of cross multiplication:
For the system of equations:
a2x + b2y + c2 = 0
a1 = (a - b) , b1 = (a+b) , c1 = 2b2 - 2a2
a2 = (a+b), b2 = (a+b), c2 = - 4ab
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