exam
Maths Puzzle
Numerical Ability
Factor out the greatest common factor from the polynomial
21x^3 - 6x^2 + 15x
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exam Other Question
3x^2y^7sqrt of x
can someone please help me with this question?
If x^/a^2 + y^2/b^2=1a>b is an ellipse then its directrices are__________?
thanks for any help. this is from a question in clas