book
Maths Puzzle
Numerical Ability
Could someone please simplify this problem:
e^x(e^-x+1) - e^-x(e^x+e^+1)
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book Other Question
using -1 as a factor (divide)
(x-4)^2
__________ =
(4-x)^2
thanx
What is the answer to -7 2/5+ 2 4/5=y