Home Tags Let $a$ and $b$ be the roots of the quadratic $2x^2 – 8x + 7 = 0.$ compute $a^3 + b^3.$

let $a$ and $b$ be the roots of the quadratic $2x^2 – 8x + 7 = 0.$ compute $a^3 + b^3.$

Adding Cubes of Two Numbers

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