Math

posted by .

If (8+√19)/(8−√19)=(a/c)+[(b/c)*√19], where a and c are coprime positive integers, and b and c are coprime positive integers, what is a+b+c?

Similar Questions

1. Math

Find an equation of the line that bisects the obtuse angles formed by the lines with equations 3x-y=1 and x+y=-2. a. (3√2 +√10)x-(√10 + √2)y-2√10+√2=0 b. (3√2 - √10)x+(√10 - √2)y+2√10+√2=0 …
2. geometry

The angles in triangle ABC satisfy 6sin∠A=3√3sin∠B=2√2sin∠C. If sin2∠A=a/b, where a and b are coprime positive integers, what is the value of a+b?
3. maths

The angles in triangle ABC satisfy 6sin∠A=3√3sin∠B=2√2sin∠C. If sin^2∠A=ab, where a and b are coprime positive integers, what is the value of a+b?
4. math

Let f(n)=1/√1+√2+1/√2+√3+1/√3+√4…1/√n+√n+1. For how many positive integers n, in the range 1≤n≤1000, is f(n) an integer?
5. math

The number 27+200−−−√−−−−−−−−−√ can be simplified to the form a+b√, where a and b are positive integers. Find the product ab.
6. math

Let f(n)=1/1√+2√+1/2√+3√+1/3√+4√…1/n√+n+1−−−−√. For how many positive integers n, in the range 1≤n≤1000, is f(n) an integer?
7. algebra

Suppose a and b are positive integers. A) Verify that if a = 18 and b = 10, then √a * √b = 6√5. B) Find two other pairs of positive integers a and b such that √a * √b = 6√5. HELP!:(