The value of 'a + b' such that the surfaceax2−byz=(a+2)x is orthogon – InterviewSolution

1.	The value of 'a + b' such that the surfaceax2−byz=(a+2)x is orthogonal to the surface 4x2y+z3=4 at the point (1, -1, 2) is ________ .3.5
Answer» The value of 'a + b' such that the surface $a x^{2} - b y z = (a + 2) x$ is orthogonal to the surface $4 x^{2} y + z^{3} = 4$ at the point (1, -1, 2) is ________ . 3.5

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