Application of DerivativeHard

Question

The angle of intersection between the curves y = 4x² and y = x² is-

Options

A.0^o

B.30^o

C.45^o

D.90^o

Solution

y = 4x²        &    y = x²
= 8x      = 2x
point of intersection is (0, 0)
∴   m₁ = 0     &    m₂ = 0
tan θ = 0
θ = 0^o

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