The square root of -4 is: 2 i
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4 x square root of 10 minus square root of 10 = 3 x square root of 10.
square root(minus 9) = 3 ior in correct mathematical notation it is (+,-)i_square root(9)
1 square root of 144 =12 square root of 121=11so 12-11=1
square root -5 minus 14 or - square root -5 minus 14
It is imaginary; we denote sqrt of -1 = i square root (-4) = ± 2i