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pav-90 [236]
3 years ago
13

Express sqrt(-7-24i) in the form of a+bi, where a and b are real numbers

Mathematics
1 answer:
Gnoma [55]3 years ago
7 0

Answer:

i think it is -7-24i

Step-by-step explanation:

you have to write it in the form a+bi, so a=-7 and b=-24

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4. Find f(7) for<br> the function<br> below.<br> f(x) = 1/2 •2^x
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7 0
3 years ago
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Please help me I need it ​
Kitty [74]

Answer:(x - 1)(7x + 12)

Step-by-step explanation:

Question: (6x² + 5x - 3) + (x² - 9)

⇒(6x² + 5x - 3) + (x² - 9)

⇒6x² + 5x - 3 + x² - 9

rearrange

⇒6x² + x² + 5x - 3 - 9

⇒7x² + 5x - 12

Middle term break

⇒7x² + 12x - 7x - 12

⇒x(7x + 12) - 1(7x + 12)

⇒(x - 1)(7x + 12) Answer

hope that helps...

3 0
3 years ago
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