If - - are roots of y 2 -2y-7-0 find - 2 - 2

Sum of the roots =α+β= 21=2 Product of the roots =αβ= 71= 7 α^2+β^2=(α+β)^2 2αβ =(2)^2 2× 7=4+14=18 ...

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If α ,β are...

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If $α, β$ are roots of $y^{2} - 2 y - 7 = 0$ find $α^{2} + β^{2}$

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