Consider the points closest to the origin on the planes x + y + z =a. – McqOptions

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1.	Consider the points closest to the origin on the planes x + y + z =a.
A.	The closest point travels farther as <b>a</b> is increased
B.	The closest point travels nearer as <b>a</b> is increased
C.	The closest point is independent of <b>a</b> as <b>a</b> is not there in the expression of the gradient.
D.	Varies as <b>a<sup>2</sup></b>, away from the origin.
Answer» B. The closest point travels nearer as <b>a</b> is increased

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