lindseyharrison
1/b  1/a all over 1/b + 1/a



This Question is Closed

lindseyharrison
Best Response
You've already chosen the best response.
0
dw:1346780283393:dw

hba
Best Response
You've already chosen the best response.
0
dw:1346780297317:dw

hba
Best Response
You've already chosen the best response.
0
dw:1346780395862:dw

anonymous
Best Response
You've already chosen the best response.
0
or multiply top and bottom by \(ab\) to clear the fractions

lindseyharrison
Best Response
You've already chosen the best response.
0
dw:1346780349837:dw

lindseyharrison
Best Response
You've already chosen the best response.
0
So it would be C

hba
Best Response
You've already chosen the best response.
0
^ right

anonymous
Best Response
You've already chosen the best response.
0
\[\frac{\frac{1}{b}\frac{1}{a}}{\frac{1}{b}+\frac{1}{a}}\times \frac{ab}{ab}\]
\[=\frac{ab}{a+b}\]

anonymous
Best Response
You've already chosen the best response.
0
it is always C
well at least 75% of the time