They are +/- 3/2 or +/- 1.5
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4 square root of -9 = 4 square root of (-1)(9) = 4 square root of (i29) = 4(3i) = 12i
9 square root 4 minus 12 square root 4 = -6
4/3
The square root of 9/16 is 3/4 which is a rational number
sqrt(4) = 2 sqrt(9) = 3 Therefore, the square root of 4 plus the square root of 9 is equal to 2 + 3 = 5.