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Express the following in the form of a +...

Express the following in the form of `a + b i`:(i) `(-5i)(1/8i)` (ii) `(-i)(2i)(-1/8i)^3`

Text Solution

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(i) `(-5i)(1/8i)`
`= -5/8i^2`
`=-5/8(-1)`
`=5/8 + 0i` answer
(ii) `(-i)(2i)(-1/8i)^3`
`(-2i^2)(-i^3/512)`
`(-2(-1)) (-i(-1))/512`
`= 0 + i*1/256`
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