Find the angle of intersection of `y^2=4x` and `x^2=4y`

Explanation

Given `y^{2}=4 x`

Differentiating w.r.t. x, we get,


`2 y frac{d y}{d x}=4 `

`frac{d y}{d x}=frac{2}{y} ldots ldots .1`



`x^{2}=4 y`

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