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The additive inverse of (1+2i)(3-4i) is...

The additive inverse of `(1+2i)(3-4i)` is

A

`11+2i`

B

`11-2i`

C

`-11+2i`

D

`-11-2i`

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Knowledge Check

  • The additive inverse of (1+2i)/(1+i) is

    A
    `-3/2-i/2`
    B
    `3/2-i/2`
    C
    `3/2+i/2`
    D
    `-3/2+i/2`

  • Additive inverse of 7-3is

    A
    4
    B
    -4
    C
    8
    D
    -7

  • I : The additive inverse of i- 2 is 2 - i II : The multiplicative inverse of 1 - I " is "1 +i

    A
    only I is true
    B
    only II is true
    C
    both I and II are true
    D
    neither I nor II are true

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