(9n^4)^(1/2)= 3n??
3 n^2 = 3 n n^2 - n = 0 n(n-1) = 0 n = 0 or n = 1
Not quite 9^(1/2) = 3 but (n^4)^(1/2) = n^2 so the answer is 3n^2
Is that 3 n not on the right or is that the student's attempt at an answer?
Only the student can tell what was intended. We've provided two solutions, so our work is done here.
The math is much easier than the mind reading.
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