Let the number be x.
then
x+1/x=29/10
Solve for x.
The answers are rational fractions.
The sum of a number and its reciprocal is 2 9/10. Find the number.
2 answers
If you need to answer this, first you need to know the formula...
The "QUADRATIC FORMULA"
For real numbers a, b and c, with a = 0, the solution of the quadratic equation ax^2 + bx + c = 0 is given by the quadratic formula....
x= +
-b _(square root of) b^2 -4ac
_______________________________
2a
The "QUADRATIC FORMULA"
For real numbers a, b and c, with a = 0, the solution of the quadratic equation ax^2 + bx + c = 0 is given by the quadratic formula....
x= +
-b _(square root of) b^2 -4ac
_______________________________
2a
2 answers