exam
Maths Puzzle
Numerical Ability
Factor completely:
27x3 - 8y3
Hint: use the “difference of two cubes method”
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exam Other Question
A line L through the origin in R^3 can be represented by parametrix equations of the form x = at, y = bt, z = ct. Use these equations to show that L is a subspace of R^3; that is
Multiply and Simplify
(5+sqrt5)(3+sqrt6)
Multiply and Simplify
(^3sqrtx+4)(^3sqrtx-3)