exam
Maths Puzzle
Numerical Ability
1+2-3*4/5=
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exam Other Question
Use the binomial theorem to expand the binomial:
(3x^2-1/2square root of y)^4
I need to find the zeros of the 4th degree expression,
so I may know the x-intercepts. This is needed by factoring
Problem: x^4 - x^3 - 4x^2 + 2x + 4
My solution: x^2(x^2 -