exam
Maths Puzzle
Numerical Ability
1.Where do you use cramer's rule
2.Why would you want to use cramer's rule
3. The meaning of determinant
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exam Other Question
A bunch trotted m miles at z miles per hour and arrived 3 hours late. How fast should they have trotted to have arrived on time?
i dont really understand this either really; x^2-9/x-2 * x^2-4/x-3
i think i solved it totally wrong since i first multiplied the top then the bottom and got x^4 - 13x^2 +36 / x^2 - x - 6.
could someone please show me how to solve it right?