Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Write them in this way,  \frac{1}{a} + \frac{1}{b} = \frac{1}{2},  \frac{1}{b} + \frac{1}{c} = \frac{1}{4},  \frac{1}{c} + \frac{1}{a} = \frac{1}{5}. Add them up,  \frac{1}{a} + \frac{1}{b} +  \frac{1}{c} = \frac{1}{2}(19/20). Then you have, a=40/9, b=40/11, c=-40. Hence, a+b+c=-40(79/99)
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts