We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
219
2
avatar+1110 

The operation $*$ is defined for non-zero integers as follows: $a * b = \frac{1}{a} + \frac{1}{b}$. If $a+b = 9$ and $ a \times b = 20$, what is the value of $a*b$? Express your answer as a common fraction.

 Jul 6, 2018
 #1
avatar
0

Your question is unreadable, you can't expect others to help you...

 Jul 6, 2018
 #2
avatar+22188 
+1

The operation $*$ is defined for non-zero integers as follows: $a * b = \frac{1}{a} + \frac{1}{b}$.

If $a+b = 9$ and $ a \times b = 20$,

what is the value of $a*b$?

Express your answer as a common fraction.

 

 

answer see: https://web2.0calc.com/questions/help_48039

 

laugh

 Jul 9, 2018

5 Online Users