Question

21.
Solve x - (3+1)x+13=0 by the
method of completing the square.
$x { \: }^{2} - (\sqrt{3 + 1} )x \: + \sqrt{3 } = 0$
​

Answer 1

Answer:

x² -(√3+1)x + √3 = 0

x² -√3x -x + √3 = 0

x(x-√3) -1(x-√3) = 0

(x-1)(x-√3) = 0

x = 1 & √3

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