exam
Maths Puzzle
Numerical Ability
Is there any one that knows how to work this problem?
Find the zeros of f.
f(x)= -x^(2)e^(-x)+ 2xe^(-x)
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exam Other Question
Multiply and simplify by factoring.
sqrt ( 27 ) * sqrt ( 375 )
simplify the following expression and rewrite using only positive exponents:
(assume that the bases are not zero)
(2abc^5)^3(3a^4b^-4c^-3)^3