Question

$If \: x=\frac{1}{2 - \sqrt{3} }, then \: find \: the \: value \: of \: x³ - 2 {x}^{2} - 7x + 5$
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Answer 1

Answer:

QUESTION

$If \: x=\frac{1}{2 - \sqrt{3} }, then \: find \: the \: value \: of \: x³ - 2 {x}^{2} - 7x + 5$

ANSWER

$( \frac{1}{2 - \sqrt{3} } )^{3} - 2 \times ( \frac{1}{2 - \sqrt{3} }) - 7( \frac{1}{2 - \sqrt{3} } )$

1/8-3√3-2-7/2-√3-2+5

-6/6-2√3+3 is the answer

hope it helps you