3 years ago

A letter is chosen from the word shown.

Mathematics

1 answer:

lakkis [162]3 years ago

7 0

Answer:

That something unexpected is about to happen.

Step-by-step explanation:

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7 1/8-3 2/3<br><br> I WILL REWARD BRAiNLIEST

Pepsi [2]

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4 years ago

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3 years ago

For what value of k are there two complex solutions to the given quadratic equation (k+1)x²+4kx+2=0.

nlexa [21]

Answer: $k\in \left ( \frac{-1}{2},1\right )$

Step-by-step explanation:

Given

$\left ( k+1\right )x^2+4kx+2=0$

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D<0

$D=\sqrt{b^2-4ac}$

here

$D=\sqrt{\left ( 4k\right )^2-4\left ( k+1\right )\left ( 2\right )}$

$D=\sqrt{16k^2-8k-8}$

so $16k^2-8k-8$

$2k^2-k-1$

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4 years ago