what is the sum of the squares of the roots of the equation X square + 2 x minus 143 is equal to zero
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let the roots be α and β.
α²+β² = (α+β)² - 2αβ = (-B/A)² - 2(C/A) = (-2/1)² - 2(-143/1) = 4+286 = 290
sum of square of roots is 290.
α²+β² = (α+β)² - 2αβ = (-B/A)² - 2(C/A) = (-2/1)² - 2(-143/1) = 4+286 = 290
sum of square of roots is 290.
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