Application of DerivativeHard
Question
The angle of intersection between the curves y = 4x2 and y = x2 is-
Options
A.0o
B.30o
C.45o
D.90o
Solution
y = 4x2 & y = x2
= 8x 
= 2x
point of intersection is (0, 0)
∴ m1 = 0 & m2 = 0
tan θ = 0
θ = 0o
= 8x = 2xpoint of intersection is (0, 0)
∴ m1 = 0 & m2 = 0
tan θ = 0
θ = 0o
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