Question

Form a quadratic polynomial if one of its zeroes id √5+2 by √5-2

Answer 1

Answer:

${x}^{2} - \: (sum \: \: of \: \: roots)x + (multiply \: \: of \: \: roots) = 0 \\ \\ = > {x}^{2} - 2 \sqrt{5} x + 1 = 0$

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Answer 2

√5+2 by √5-2

√5(√5+2)-2 (√5+2)

5+2√5-2√5+0

5ans.