Question
Question: Integral values ‘b’ for which the origin and the point (1, 1) lies on the same side of the straight ...
Integral values ‘b’ for which the origin and the point (1, 1) lies on the same side of the straight line a2x + aby + 1 = 0, for all aĪR – {0} is.
A
1
B
0
C
–1
D
All of these
Answer
All of these
Explanation
Solution
a2 + ab + 1 > 0 for all a
b2 – 4 < 0 Ž | b | < 2
\ 2 < b < 2