Question
Mathematics Question on Triangles
Let C(α, β) be the circumcenter of the triangle formed by the lines
4x+3y=69,
4y-3x=17, and
x+7y=61.
Then (α-β)2+α+β is equal to
A
15
B
16
C
17
D
18
Answer
17
Explanation
Solution
The correct option is(C): 17