Mathematics
Senior High
(4、5)答えのように工夫して計算できますか?
□59 x=√2-1 のとき,次の式の値を求めよ。
(1)x+1/2
xC
(2)x+12/12 (3) 2012/12 (4)x+12/11 (5)x+
x3+ 3
1
x5
59. (1) 2√2 (2) 6 (3) 10√2 (4) 34
(5) 58√2 (2) x²+(x+1)-2
(3)x3+
+1/21=(x+1)-3(x+1)]
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉

