Question

if 3x-1/3x=4 find the value of x^2 + 1/81x^2​

Answer 1

Answer:

3x - 1/(3x) = 9

Squaring both sides, we get,

9x2 + 1/9x2 - 2 = 81

9x2 + 1/9x2 = 83

9 [x2 + 1/(81x2)] = 9x2 + 1/9x2 = 83

x2 + [1/(81x2)] = 83/9

Step-by-step explanation:

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