exam
Maths Puzzle
Numerical Ability
find the equation that is perpendicular to line AB and line CD and goes through the midpoint
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exam Other Question
May I have some help with the following equation?
Find all real solutions of the equation.
7x^3-x+1=x^3+3x^2+x
Use a Euler diagram to determine whether the syllogism is valid or invalid
All actresses are beautiful
Some actresses are tall
.
. . Some beautiful people are tall.