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Maths Puzzle
Numerical Ability
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?
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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
Algebraic expression {{{bx^2-cx+a^2=0}}} the differ by the sign of the square root. what is the one with the plus sign?