SOLUTION: Hello! Could you give e chanse to have the solution of this problem?
The different of two naural number is 9 and he different of their reciprocal is 9/190. Find the numbers.
This
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Question 202020: Hello! Could you give e chanse to have the solution of this problem?
The different of two naural number is 9 and he different of their reciprocal is 9/190. Find the numbers.
This was my way which doesn't go on:
or
Since sqrt( 3037801 ) is not an integer number (it is a so called irrational number, not reducible to fractions like m/n), further reduction of this expression will not give you an integer result.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
"The difference of two natural numbers is 9" translates to
"the difference of their reciprocals is 9/190" means that
Note: if , then
Start with the first equation.
Add "y" to both sides.
Move onto the second equation
Plug in
Multiply EVERY term by the LCD to clear out the fractions.
Simplify
Distribute
Get all terms to the left side.
Combine like terms.
Notice that the quadratic is in the form of where , , and
Let's use the quadratic formula to solve for "y":
Start with the quadratic formula
Plug in , , and
Negate to get .
Square to get .
Multiply to get
Rewrite as
Add to to get
Multiply and to get .
Take the square root of to get .
or Break up the expression.
or Combine like terms.
or Simplify.
So the possible solutions for "y" are or
However, the problem stated that the numbers are natural. So we have to throw out
So the only answer for "y" is . This means that "x" is
========================================================================================
Answer:
So the solutions are and
So the two numbers are 19 and 10
Take note that and
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