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

Explanation

Given curves are,
`y=4-x^{2} ldots . .(1)`

`y=x^{2} ldots .(2)`

From `(1)` and `(2)`, we get



`4-x^{2}=x^{2} `

`Rightarrow 2 x^{2}=4 `

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