Question

Formulate into a mathematical problem to find number such that
Is a cube root show that must be equal to it th result is 6

Answer 1

Step-by-step explanation:

Answer:

x³ + x - 6 = 0  find x³

x³ - 18x² + 109x - 216 = 0 find x

required number ≈ 4.366

Step-by-step explanation:

we have to formulate a mathematical problem to find a number such that when its cube root is added to it the result is 6.

Let say number = x³

Cube root of number = ∛x³  = x

Cube root is added to number resulting 6

x + x³ = 6

=> x³ + x - 6 = 0  

find x³

or

Let say number = x

Cube root of number = ∛x

Cube root is added to number resulting 6

∛x + x = 6

=> ∛x = 6- x

Cubing both sides

=> x = 216 - x³ + 18x² - 108x

=> x³ - 18x² + 109x - 216 = 0

Find x

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