3 years ago

What is the solution set of the x^2+x-2>o

Mathematics

1 answer:

VMariaS [17]3 years ago

6 0

Answer:

−

Factor

−

using the AC method.

Tap for more steps...

(

−

)

(

)

Set

−

equal to

and solve for

Tap for more steps...

Set

equal to

and solve for

Tap for more steps...

−

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$n = 3\sqrt{2}$

There are two best ways to solve this.

using cosine method:

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