Feb 20, 2009 #1 Z ZackyW New member Joined Dec 1, 2008 Messages 2 Reaction score 0 Points 1 lim x-> +infinity of (4x) / (5x^2)^(1/2) How can you find the limit if the denominator is under a radical sign? Thanks
lim x-> +infinity of (4x) / (5x^2)^(1/2) How can you find the limit if the denominator is under a radical sign? Thanks
Feb 20, 2009 #2 H hayharbr New member Joined Feb 10, 2009 Messages 5 Reaction score 0 Points 1 An exponent followed by another exponent is simplified by multiplying the exponents. So (5x^2)^ (1/2) = ?5(x) or x ?5 The x will then cancel leaving 4/?5
An exponent followed by another exponent is simplified by multiplying the exponents. So (5x^2)^ (1/2) = ?5(x) or x ?5 The x will then cancel leaving 4/?5