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kaheart [24]
3 years ago
6

Simplify the expression to a + bi form: (12 - i)^2

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
6 0

Answer:

We know that, i = √-1 => i² = -1

→{(12 - i)}^{2}  \\  = {(12)}^{2}  +  {(i)}^{2} - 24i  \\  = 144 - 1 - 24i \\  =  \boxed{143 - 24i}✓

  • <u>143 - 24i</u> is the right answer.
seraphim [82]3 years ago
4 0

Answer:

143-24i

Step-by-step explanation:

(12-i)^2

(12-i)(12-i)

144-12i-12i+i^2 where i^2=-1

144-24i+(-1)

144-1-24i

143-24i

Please mark me as Brainliest if you're satisfied with the answer.

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