Question

99 PTS!!!!!!!!!!!!!!!

What is the value of x in the equation 1,331x3 − 216 = 0?

A. -6/11

B. 11/6

C. 1/6

D. 6/11

Answer 1

Answer...

1331 \times x \times 3 - 216 = 0 \\ \\ 1331 \times x \times 3 = 216 \\ \\ x \: = \frac{216}{1331 \times 3} \\ \\ x \: = \frac{72}{1331} \\ \\ x \: = \frac{6}{11}

Answer 2

Answer:

D) x = 6/11.

Step-by-step explanation:

Given equation  ⇒  1331x³ - 216 = 0          

1331x³ = 216.

As we know 1331 = 11³.

and 216 = 6³.

The given equation becomes,

11³x³ = 6³

x³ = 6³/11³.

Taking cube root on both sides we get,

x = 6/11.

Hence, D option is correct.

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