Home Maths Differentiation and Applications of Derivatives General The number of tangents to the curve x 3/2 + …
Maths Differentiation and Applications of Derivatives General Single Correct MCQ
Published on: August 14, 2026

The number of tangents to the curve x 3/2 + y 3/2 = a 3/2 where the tangents are equally inclined to the axes, is

A
2
B
1
C
4
D
None of these

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Text Solution

Verified by Experts
The correct answer is:
B

Now tangent is equally inclined to axis whose slope is ± 1

⇒ α 1/2 + β 1/2 = 0 …..(1)

also α 3/2 + β 3/2 = a 3/2 .….(2)

(1) & (2) have no solution

Now ⇒ α 1/2 = β 1/2 ⇒ α = β

∴ α 3/2 + β 3/2 = a 3/2 ; ⇒ α = β =

⇒ there is only one solution

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