Question

USING Q ADRATIC FORMULA,SOLVE FOR x. 9x^2-3(a+b)x+ab=0

Answer 1

Hiii mate,
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$9 x^{2} -3(a+b)x+ab$
$9 x^{2} -3ax-3bx+ab$
3x(3x-a) - b(3x-a)
(3x-b) (3x-a)
so 
x= b/3 or x = a/3 Ans.
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ANKIT.