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Maths Puzzle
Numerical Ability
It takes you 6 hours to do a job. It takes a friend 3 hours to do the same job. How long would it take both of you working together to do the job?
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tanA*tanA+(1-sqrt{3})tanA-sqrt{3}=0
Can someone please help me in solving this problem.
Thanks.
Use long division to reduce (6x^5 - 5x^4 - 6x^3 - 10x^2 + 21x - 9)/(2x - 3).