Question

21x2 -3 find the zeros of the quadratic polynomial and verify the relationship between the zeros and the coefficient
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Answer 1

$21 {x}^{2} = 3 \\ {x}^{2} = 3 \div 21 \\ x = + \sqrt{3 \div 21} \\ x = - \sqrt{3 \div 21}$

$\alpha + \beta = 0 \\ \alpha \beta = - 3 \div 21$