A) \( \Large \frac{7}{2} \) |
B) -19 |
C) -12 |
D) 12 |
D) 12 |
Comparing the given equation with standard equation we get a = 12 and b = a. We also know if pair of straight lines is perpendicular, then Coefficient of \( \Large x^{2} \) + cofficient of \( \Large y^{2}=0\ or a+b=0 \)
\( \Large 12+a=0\ or\ a=12 \)