exam Maths Puzzle Numerical Ability

expand by use of minors.
3 4 -2
6 4 3
0 4 2

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exam Other Question

Solve and check for X:

X X+1 8
----- - ----- = -----
x-2 x x^2-2x

Thank you for the wonderful help on this Marilyn drove her car from Amarillo to Dallas at an average rate of 55 miles per hour and returned over icy roads averaging only 30 miles per hour. Find the time going and the tim