CMR: `1/(2\sqrt3)=\sqrt3/6`

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Môn Toán RI SƠ 4 years 2020-10-15T00:19:27+00:00 2020-10-15T00:19:27+00:00 2 Answers 106 views 0

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Captcha* Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )

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Ladonna · Answer 1 · 2020-10-15T00:21:03+00:00

Ladonna

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2020-10-15T00:21:03+00:00 October 15, 2020 at 12:21 am

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Có $\frac{1}{2 \sqrt{3}}$

= $\frac{1. \sqrt{3}}{2 \sqrt{3} . $ \sqrt{3}}$

= $\frac{\sqrt{3} $}{6}$

Chúc bạn học tốt ~

Nem · Answer 2 · 2020-10-15T00:21:05+00:00

Nem

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2020-10-15T00:21:05+00:00 October 15, 2020 at 12:21 am

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`1/{2sqrt(3)} = sqrt(3)/6`

`VT=1/{2sqrt(3)}={1.sqrt(3)}/{2.sqrt(3).sqrt(3)}=sqrt(3)/{2.(sqrt(3))^2}=sqrt(3)/{2.3}=sqrt(3)/6=VP` (đpcm)

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