turkey-yks 2016 Q8

turkey-yks · Other · lys1-math Indices and Surds Ratio and Proportion Problems
Positive real numbers $a$ and $b$ satisfy the equality
$$a ^ { 2 } - 2 a b - 3 b ^ { 2 } = 0$$
Accordingly, what is the value of the expression $\frac { a + b } { a - b }$?
A) 2
B) 3
C) 4
D) 5
E) 6
Positive real numbers $a$ and $b$ satisfy the equality

$$a ^ { 2 } - 2 a b - 3 b ^ { 2 } = 0$$

Accordingly, what is the value of the expression $\frac { a + b } { a - b }$?\\
A) 2\\
B) 3\\
C) 4\\
D) 5\\
E) 6