exam
Maths Puzzle
Numerical Ability
sqrt (5^2-4(2)(-3))
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exam Other Question
Please help with this problem.
Simplify--
1/(a-b) + 4/(b-a) - 8/(a+b) - (11a - 5b)/(b^2 - a^2)
what is the difference in commutative property and associatative property?