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受欢迎的代数 >

\sqrt[4]{6x^2-5}=x

解答

4 6 x^{2} - 5 = x

解答

x = 5, x = 1

+1

十进制

x = 2.23606 \dots, x = 1

求解步骤

4 6 x^{2} - 5 = x

对方程式两边

4

次方:

6 x^{2} - 5 = x^{4}

6 x^{2} - 5 = x^{4}

解

6 x^{2} - 5 = x^{4} : x = 5, x = - 5, x = 1, x = - 1

x = 5, x = - 5, x = 1, x = - 1

验证解:

x = 5

真

, x = - 5

假

, x = 1

真

, x = - 1

假

解为

x = 5, x = 1

作图

流行的例子

2 x - 3 = 5

sqrt(2y+10)=sqrt(5y-11)

2 y + 10 = 5 y - 11

solvefor x,sqrt(6-5x)=x

so l v e f or x, 6 - 5 x = x

w - 3 = 7

sqrt(13x+27)=4sqrt(x)

13 x + 27 = 4 x