SOLUTION: solve 9x²=1
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Question 605319
:
solve 9x²=1
Answer by
jim_thompson5910(35256)
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9x^2 = 1
x^2 = 1/9
x = sqrt(1/9) or x = -sqrt(1/9)
x = sqrt(1)/sqrt(9) or x = -sqrt(1)/sqrt(9)
x = 1/3 or x = -1/3
So the solutions are
x = 1/3 or x = -1/3
.
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