9. (10 points) Find (a,b) with
so that
ㆍThe point P = (1,a,b) is on the surface E defined by
ㆍThe tangent plane to E at P contains lines
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9. (10 points) Find (a,b) with so that
ㆍThe point P = (1,a,b) is on the surface E defined by
ㆍThe tangent plane to E at P contains lines