exam
Maths Puzzle
Numerical Ability
What is L=1/4r For r ?
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exam Other Question
Distribute to simplify the following expression.
-4x2(3x2 - x + 1)
I don't know how to deal with the coefficients 2, -3. When the binomial (2x-3y)^11 is expanded, what is the coefficient of x^8y^3? Also, if you don't mind, could you help me determ