What is the slope of the tangent line drawn to the hyperbola \[xy=a\,(a\ne 0)\] at the point (a, 1) [AMU 2000]

What is the slope of the tangent line drawn to the hyperbola \[xy=a\,(

1.	What is the slope of the tangent line drawn to the hyperbola \[xy=a\,(a\ne 0)\] at the point (a, 1) [AMU 2000]
A.	1/a
B.	?1/a
C.	a
D.	? a
Answer» C. a

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What is the slope of the tangent line drawn to the hyperbola \[xy=a\,(a\ne 0)\] at the point (a, 1) [AMU 2000]

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