MCQ
Angle between two curves ${y^2} = 4(x + 1)$ and ${x^2} = 4(y + 1)$ is .............. $^\circ$
  • A
    $0$
  • $90$
  • C
    $60$
  • D
    $30$

Answer

Correct option: B.
$90$
b
(b) Principal axes of parabolas are $x$ - axis and $y$ - axis,

therefore angle between them is ${90^o}$.

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