What is the sum of sqrt -2 and sqrt -18
1 answer:
Answer:
4i sqrt(2)
Step-by-step explanation:
sqrt(-2) + sqrt(-18)
We know sqrt(ab)= sqrt(a) sqrt(b)
sqrt(-1)sqrt(2) + sqrt(9) sqrt(-2)
sqrt(-1)sqrt(2) + sqrt(9) sqrt(2)sqrt(1)
We know the sqrt(-1) is equal to i
i sqrt(2) +3 sqrt(2) i
i sqrt(2) +3i sqrt(2)
4i sqrt(2)
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Need more info to help you
The middle answer is the only correct one.
26.35 cc / 4 cm² =
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6.5875
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centimeters
8+5+15=28
29.82-28= 1.82 or 182%
