Circular paraboloid generated by z = − a ( x 2 + y 2 ) , a > 0 {\displaystyle z=-a(x^{2}+y^{2}),a>0} .. Learn more.
Picture of the day for January 5, 2019
Circular paraboloid generated by z = − a ( x 2 + y 2 ) , a > 0 {\displaystyle z=-a(x^{2}+y^{2}),a>0} .. Learn more.
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