Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let S be the set of all the natural numbers, for which the line 
is a tangent to the curve a. 
at the point (a, b), ab 
0. Then:
A
B
n(S) = 1
C
S={2k:k 
N}
N}
D
S = N
Text Solution
Verified by ExpertsThe correct answer is:
D
Slope of tangent at (a, b)
Equation of tangent
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