A) 15
B) 5
C) 13
D) 9
Correct Answer: C
Solution :
\[4x2y+4z+6=0\] \[\frac{|\lambda -6|}{\sqrt{16+4+16}}=\left| \frac{\lambda -6}{6} \right|=\frac{1}{3}\] \[|\lambda -6|=2\] \[\lambda =8,4\] \[\frac{|\mu -3|}{\sqrt{4+4+1}}=\frac{2}{3}\] \[|\mu -3|=2\] \[\mu =5,1\] \[\therefore \]Maximum value of \[(\mu +\lambda )=13.\]You need to login to perform this action.
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