book
Maths Puzzle
Numerical Ability
solve:
20 over x = 20 over x-4 + 4 over x
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book Other Question
the denominator of a fraction is 1 more then the numerator. If the numerator is decreased by 1, the value of the resulting fraction is 3/4. What is the original fraction?
3x2 +x -2 =0
I only need to solve this using QF and don't need to find the discriminant.