How would you express in terms of i ?

1 ⤊

SqRt(-13)

-SqRt(-49)

2007-06-07 03:52:21 · 3 answers · asked by wltz4vns 1 in Science & Mathematics ➔ Mathematics

SqRt(-13)
= sqrt (-1 * 13)
= (sqrt -1)(sqrt 13)
= i (sqrt 13)

-SqRt(-49)
= - sqrt (49 * -1)
= - (sqrt 49)(sqrt -1)
= - (7)(i)
= -7i

2007-06-07 03:57:27 · answer #1 · answered by Mathematica 7 · 0⤊ 0⤋

sqrt(13)i
-7i

2007-06-07 10:55:23 · answer #2 · answered by dogsafire 7 · 0⤊ 0⤋

â13 i

-7i

2007-06-07 10:56:32 · answer #3 · answered by ? 7 · 1⤊ 0⤋