81k^2=16

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Solution for 81k^2=16 equation: 


Simplifying
81k2 = 16

Solving
81k2 = 16

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Divide each side by '81'.
k2 = 0.1975308642

Simplifying
k2 = 0.1975308642

Take the square root of each side:
k = {-0.444444444, 0.444444444}

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