An algebra problem by Soham Kossambe

Algebra Level pending

x-x/x-1=1-x/x-1 has how many roots.??


The answer is 0.

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2 solutions

James Villanueva
Nov 4, 2014

You should rewrite the equation so that it has none solutions.

You wrote:

x-x/x-1=1-x/x-1

and that equation is interpreted as:

x x x 1 = 1 x x 1 x-\dfrac{x}{x} - 1=1-\dfrac{x}{x}-1

which has one solution x = 1 x=1

Being that said, you should modify what you wrote as follows:

x-x/(x-1)=1-x/(x-1)

which is interpreted as:

x x x 1 = 1 x x 1 x-\dfrac{x}{x-1}=1-\dfrac{x}{x-1}

and it has 0 \boxed{0} solutions.

Shivam Hinduja
Nov 4, 2014

By solving equations, x-x/x-1=1-x/x-1 x-x=1-x x=1 But, on substituting the values, the denominator turns to be 0!!! Which is not possible , Hence there are no solutions .

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