2 years ago

Calcule (-6 ) + (+4 )

Mathematics

2 answers:

umka21 [38]2 years ago

7 0

Answer:

i think -2

Step-by-step explanation:

Ad libitum [116K]2 years ago

4 0

Answer:

-2

Step-by-step explanation:

Just do it

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qwelly [4]

Answer:

$1) \dfrac{12+\sqrt{-16}}{4}=\dfrac{12+\sqrt{16i^{2}}}{4}\\\\\\=\dfrac{12+4i}{4}=\dfrac{12}{4}+\dfrac{4i}{4}\\\\\\= 3 + i$

Real part = 3 & imaginary part = 1

2) 4 + 7i - 8 = 4 -8 + 7i

= -4 + 7i

Real part = -4 & imaginary part = 7

$3)\dfrac{\sqrt{9}+\sqrt{-4}}{5}=\dfrac{3+\sqrt{4i^{2}}}{5}\\\\\\=\dfrac{3}{5}+\dfrac{2i}{5}\\\\\\Real \ part = \dfrac{3}{5} \ & \ imaginary \ part = \dfrac{2}{5}$

$4) -2-\sqrt{-25}=-2-\sqrt{25i^{2}}=-2-5i$

Real part = -2 & imaginary part = -5

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b) 1) 6 + 4i

2) -12+ 5i

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Calcule (-6 ) + (+4 )​

Calcule (-6 ) + (+4 )