A) \[\frac{7}{2}\]
B) - 19
C) - 12
D) 12
Correct Answer: C
Solution :
Comparing the given equation with standard equation, we get \[a=12\] and \[b=a\]. We also know that for perpendicular lines, coefficient of \[{{x}^{2}}\]+ coefficient of \[{{y}^{2}}=0\] or \[a+b=0\]. Therefore \[12+a=0\] or \[a=-12\].You need to login to perform this action.
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