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受欢迎的代数 >

solvefor f,f=(f(x+h)-f)/h

解答

求解

f, f = \frac{f ( x + h ) - f}{h}

解答

f = \frac{f ( x + h )}{h + 1}; h \neq = 0, h \neq = - 1

求解步骤

f = \frac{f ( x + h ) - f}{h}

在两边乘以

h

f h = f (x + h) - f; h \neq = 0

将

f

para o lado esquerdo

f h + f = f (x + h); h \neq = 0

分解

f h + f : f (h + 1)

f (h + 1) = f (x + h); h \neq = 0

两边除以

h + 1; h \neq = 0, h \neq = - 1

f = \frac{f ( x + h )}{h + 1}; h \neq = 0, h \neq = - 1

作图

流行的例子

6 x - 2 = 10

solvefor x,(3-k)x-4(3-k)y=-27

so l v e f or x, (3 - k) x - 4 (3 - k) y = - 27

5 (2 y + 1) = 4 y + 10

solvefor x,y=mx+n

so l v e f or x, y = m x + n

\frac{x}{5} + 7 = 3