book
Maths Puzzle
Numerical Ability
solve for x. (answer I got was either Xsquared-2x-6x+12 or zero?)
...____4____...= 1 -..._1_
.... X2+8X+12........... X+6
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book Other Question
Five years ago, a man was seven times as old as his son. Five years hence, father will be three times as old as his son. Find their present ages.
solve
e^3x+1)^2/e^4=e^10x