A atn07 New member Joined Sep 23, 2010 Messages 2 Sep 23, 2010 #1 I dont know how this website works but im hoping someone can help me! Asks to simplify x ^ 1/4 / x^8/13 = I am not understanding how they get the numerator the answer is -19/52 if that helps please help!
I dont know how this website works but im hoping someone can help me! Asks to simplify x ^ 1/4 / x^8/13 = I am not understanding how they get the numerator the answer is -19/52 if that helps please help!
mmm4444bot Super Moderator Joined Oct 6, 2005 Messages 10,958 Sep 23, 2010 #2 When you have a ratio of powers, and the base is the same on top and bottom, there's a property for that: x^n/x^m = x^(n - m) If you don't know how to simplify 1/4 - 8/13, click HERE, and look at lesson 12.
When you have a ratio of powers, and the base is the same on top and bottom, there's a property for that: x^n/x^m = x^(n - m) If you don't know how to simplify 1/4 - 8/13, click HERE, and look at lesson 12.
mmm4444bot Super Moderator Joined Oct 6, 2005 Messages 10,958 Sep 23, 2010 #3 atn07 said: the answer is -19/52 No, it is not. x^(1/4) over x^(8/13) equals x^(-19/52), not -19/52. Click to expand...
atn07 said: the answer is -19/52 No, it is not. x^(1/4) over x^(8/13) equals x^(-19/52), not -19/52. Click to expand...
A atn07 New member Joined Sep 23, 2010 Messages 2 Sep 23, 2010 #4 Thank you! I guess I forgot to add the x^ on the question
D Denis Senior Member Joined Feb 17, 2004 Messages 1,700 Sep 23, 2010 #5 atn07 said: Thank you! I guess I forgot to add the x^ on the question Click to expand... That's not all: you need the BRACKETS also. x^-19/52 is NOT the same as x^(-19/52) : can you see WHY?
atn07 said: Thank you! I guess I forgot to add the x^ on the question Click to expand... That's not all: you need the BRACKETS also. x^-19/52 is NOT the same as x^(-19/52) : can you see WHY?