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Maths Puzzle
Numerical Ability
Hello, I would appreciate it if a tutor could please verify my answer for the below problem.
Solve the rational inequality: x^2-7x+10 / x+3 > 0
My answer:
Numerator
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A student thinks that the expression (a+b)2 and a2+b2 are equal to one another. How would you explain to the student why this is not so?