Simple algebra
Level
pending
Solve the following quadratic equation: (x-a)/(x-b) + (x-b)(x-a) = a/b + b/a. Find the possible integral value of x in this expression.
The answer is 0.
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1 solution
1st method- just by hit n trial i see if we put x=0 in eqn. both minus sign will cancel out.
2nd method- (x)+(1/x)>=2 ,so .....
3rd method----------------