(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Determine the maximum area of a rectangle formed in the region formed by the two curves

y1=x^{2}- k

y2=x^{2}+ k

2. Relevant equations

The equations are given, I tried using k=1. so y1= x^{2 }- 1, etc.

3. The attempt at a solution

Is it true that the rectangle has to be sideways (i.e. NOT parallel to the axes in order to maximize the area of the rectangle?)

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# Homework Help: Optimization of a rectangle's area in two parabolas

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