Asked by kaleb
1)SIMPLIFY i^2 square root of -80
2)SOLVE 49x^2+100=0
3)14-i^6 divided by i
Answers
Answered by
Henry
1. i^2sqrt(-80),
i^2*sqrt(16*5*-1).
-1*sqrt(16*5*-1),
-1 * 4i * sqrt(5),
-4i * sqrt(5).
2.49x^2 + 100 = 0.
3. (14 - i^6) / i ,
(14 - i^2*i^2*i^2) / i,
(14 - (-1)(-1)(-1)) / i,
(14 - (-1)) / i,
(14 + 1) / i,
15 / i,
Multiply numerator and denominator by
i:
15i / i^2,
15i / -1 = - 15i.
i^2*sqrt(16*5*-1).
-1*sqrt(16*5*-1),
-1 * 4i * sqrt(5),
-4i * sqrt(5).
2.49x^2 + 100 = 0.
3. (14 - i^6) / i ,
(14 - i^2*i^2*i^2) / i,
(14 - (-1)(-1)(-1)) / i,
(14 - (-1)) / i,
(14 + 1) / i,
15 / i,
Multiply numerator and denominator by
i:
15i / i^2,
15i / -1 = - 15i.
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