exam
Maths Puzzle
Numerical Ability
sqrt32x^6y^11+2xsqrt98x^4y^11=
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exam Other Question
1-5/x-36/x^2=0
We are supposed to factor polynomial. They say:
(x^2+y^2)^2-(y^2-z^2)^2 should equal (x^2+z^2)(x^2+2y^2-z^2).