Number of values of `alpha` such that the points `(alpha,6),(-5,0)` and (5,0) form an isosceles triangle is
A
4
B
5
C
6
D
7
Text Solution
Verified by Experts
The correct Answer is:
B
We have `A(alpha,6), B(-5,0)` and `C(5,0)` If `AB =AC`, we get `alpha = 0`. Hence, we get one value of c If `AC = BC`, we get `alpha = - 3,13` `alpha` can take 5 units: `0,3,-3,13,-13`
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CENGAGE-COORDINATE SYSTEM-Multiple Correct Answers Type
