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Fed [463]
3 years ago
12

3x^2-6=-14 in imaginary solution simplest form

Mathematics
1 answer:
GREYUIT [131]3 years ago
4 0

Answer:

x=\pm2i\sqrt{\frac{2}{3}}

Step-by-step explanation:

we have

3x^{2}-6=-14

Solve for x

Adds 6 both sides

3x^{2}-6+6=-14+6

3x^{2}=-8

Divide by 3 both sides

x^{2} =-\frac{8}{3}

square root both sides

x=\pm\sqrt{-\frac{8}{3}}

Remember that

i=\sqrt{-1}

so

x=\pm i\sqrt{\frac{8}{3}}

simplify

x=\pm2i\sqrt{\frac{2}{3}}

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