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Maths Puzzle
Numerical Ability
ln(x+1)=ln(3x+1) - lnx
solve exactly
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book Other Question
Use the properties of addition and multiplication to complete the statement.
(5 + 18) + 4 = 5 + ( ____ + 4)
Solve by completing the square:
w^2 - 2w- 15 = 0
Solve
x^2 + 2x - 8 < or = to 0