149,384 views
24 votes
24 votes
If b = 3/x + 3/y
what is the value of 1/b

User Riddhi Shah
by
2.7k points

1 Answer

11 votes
11 votes

Answer:

  • xy / (3x + 3y)

Explanation:

Find b first:

  • b = 3/x + 3/y
  • b = (3x + 3y)/xy

Find 1/b:

  • 1/b = 1 : (3x + 3y)/xy
  • 1/b = xy / (3x + 3y)
User Berly
by
2.9k points
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