Question

If x = 2 + √3, find the value of x2 +
1
2.

Answer 1

Answer:

$4 + 3 + 4 \sqrt{3} + 1$

$8 + 4 \sqrt{3}$

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Answer 2

Answer:

x=2+√3

x²=(2+√3)²

=2²+(√3)²+2(2)(√3)

=4+3+4√3

=7√3