Mathematics
Senior High
Resolved
この問題でこの計算のどこが間違っているのか教えて欲しいです!!!
習問題 13
次の各式の2重根号をはずして簡単にせよ
(1)√5+2√6+√√6010 (2) √7+
3 √6+√27-√8+√48 xxx/0
:),
(1) √3+√√2+√√3-√√2=2√3
(2) √7+2√12+√√7-2√12
= √ 4 + √ 3 + √ 4 −√√√3 =4
-
(3) √6+√27 =
12+2√27
2
(9+3)+2√9.3
√2
√9+√√3
√2
3+√3
+3)
√2
3√2+√√6
2
√√√8+√48=√√8+2√12
=√(6+2)+2√6.2=√6+√√2
よって,
3)
√6+√27-√8+√48
as
3√2+√6-(√6+√2)
2
√2-√6
2
X
6+√27
12+2~2
2
√12+227
3+√3
√2
√8+N48=√16+2N48
4.12
N8+N48
=N8+2N12
√2
N2+2
=
√2+√2
√2
3+√3
2√3+2
+
2
√2
3√3+5
√2
3N6+5√2
2
Answers
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ありがとうございます!!!!!