2 years ago

PLSSS I NEED HELP I’LL MARK BRAINLYESS OR WTV IS CALLED

Mathematics

1 answer:

pickupchik [31]2 years ago

5 0

Answer: y= -7 y= -5 y= -3 y= -1

Step-by-step explanation:

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Rationalize the denominator of the fraction and enter the new denominator below.<br><br>8/2-√12

Studentka2010 [4]

$\frac{8}{2-\sqrt{12}}=\frac{8}{2-\sqrt{4\cdot3}}=\frac{8}{2-2\sqrt3}=\frac{8}{2(1-\sqrt3)}=\frac{4}{1-\sqrt3}\\\\\frac{4}{1-\sqrt3}\cdot\frac{1+\sqrt3}{1+\sqrt3}=\frac{4(1+\sqrt3)}{1^2-(\sqrt3)^2}=\frac{4(1+\sqrt3)}{1-3}=\frac{4(1+\sqrt3)}{-2}=-2(1+\sqrt3)}\\\\=-2-2\sqrt3$

$if\ \frac{8}{2}-\sqrt{12}=4-\sqrt{4\cdot3}=4-2\sqrt3$

8 0

3 years ago

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HELLPPPPPPPPPPPP i will give brainliest

svetlana [45]

Answer:

3 $\sqrt{2}$