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8090 [49]
3 years ago
8

What is the standard form of (1+2√-3)/(1+√-3)

Mathematics
2 answers:
miv72 [106K]3 years ago
7 0
1.75+0.43301270i
hope this helped and let me know if i was right plz

ExtremeBDS [4]3 years ago
3 0

Answer:

\frac{7}{4} +\frac{3}{4} i

Step-by-step explanation:

(1+2\sqrt{-3} )/(1+\sqrt{-3})

To remove the negative sign from square root use 'i'

square root (-1) is 'i'

\frac{1+2\sqrt{3}i}{1+\sqrt{3}i}

Multiply top and bottom by conjugate of (1+\sqrt{3}i)

Conjugate of (1+\sqrt{3}i) is (1-\sqrt{3}i)

Multiply it at the top and bottom

\frac{1+2\sqrt{3}i}{1+\sqrt{3}i} \cdot \frac{1-\sqrt{3}i}{1-\sqrt{3}i}

Multiply numerator and denominator using FOIL method

\frac{1-\sqrt{3}i+2\sqrt{3}i-3i^2}{1+3}

the value of i^2 is -1

\frac{1+\sqrt{3}i-6(-1)}{4}

\frac{1+\sqrt{3}i+6}{4}

\frac{7+\sqrt{3}i}{4}

\frac{7}{4} +\frac{3}{4} i

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