exam
Maths Puzzle
Numerical Ability
(5/x+6)-(3/x-6)
The denominators are the same but how do you change their signs so you can subtract?
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exam Other Question
2) Is √x^2 = x an identity (true for all values of x)?
Answer:
Explain your answer in this space.
Simplify and combine like radicals. All variables represent positive numbers.
√2 - √8