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Find the positive solution of the equation.

8x^((3)/(4))+16=232
Answer:

Find the positive solution of the equation.\newline8x34+16=232 8 x^{\frac{3}{4}}+16=232 \newlineAnswer:

Full solution

Q. Find the positive solution of the equation.\newline8x34+16=232 8 x^{\frac{3}{4}}+16=232 \newlineAnswer:
  1. Isolate variable term: Isolate the term with the variable.\newlineSubtract 1616 from both sides of the equation to isolate the term with the variable xx.\newline8x(3/4)+1616=232168x^{(3/4)} + 16 - 16 = 232 - 16\newline8x(3/4)=2168x^{(3/4)} = 216
  2. Divide by 88: Divide both sides by 88 to solve for x34x^{\frac{3}{4}}. \newline8x348=2168\frac{8x^{\frac{3}{4}}}{8} = \frac{216}{8}\newlinex34=27x^{\frac{3}{4}} = 27
  3. Recognize perfect cube: Recognize that 2727 is a perfect cube and can be written as 333^3. Since we have x34=27x^{\frac{3}{4}} = 27 and 27=3327 = 3^3, we can write: x34=33x^{\frac{3}{4}} = 3^3
  4. Raise to power: Raise both sides of the equation to the power of 43\frac{4}{3} to solve for xx.
    (x34)43=(33)43(x^{\frac{3}{4}})^{\frac{4}{3}} = (3^3)^{\frac{4}{3}}
    Using the property of exponents (amn)p=ampn(a^{\frac{m}{n}})^p = a^{\frac{m*p}{n}}, we get:
    x=3343x = 3^{\frac{3*4}{3}}
    x=34x = 3^4
  5. Calculate final value: Calculate 343^4 to find the value of xx.\newline34=3×3×3×33^4 = 3 \times 3 \times 3 \times 3\newline34=813^4 = 81\newlineTherefore, x=81x = 81

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