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(4i^(2)-6i)-(3+10i) For i=sqrt(-1), wh...

`(4i^(2)-6i)-(3+10i)`
For `i=sqrt(-1)`, which of the following complex numbers is equal to the expressions above?

A

`-7-16i`

B

`-1+4i`

C

`1-4i`

D

`7+16i`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • For i=sqrt(-1) , which of the following complex number is equivalent to (10i+4i^2)-(7-3i) ?

    A
    `-11+7i`
    B
    `-11+13i`
    C
    `3-13i`
    D
    `11-7i`

  • Which of the following complex numbers is equivalent to (3+i)/(4-7i) ?

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    `(17)/(28)`
    B
    `-(19)/(33)-(25)/(33)i`
    C
    `(1)/(13)-(5)/(13)i`
    D
    `(1)/(13)+(5)/(13)i`

  • Which oof the following complex numbers is equivalent to (7-3i)/(2+4i) ?

    A
    `(1)/(10)-(17)/(10)i`
    B
    `(1)/(10)+(17)/(10)i`
    C
    `(7)/(2)-(3)/(4)i`
    D
    `(7)/(2)+(3)/(4)i`

    • Similar Questions

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    Which of the following expressions is equivalent to the expression above, assuming that I = sqrt-1, ?

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