Use de morgan's law to negate the following statements. a. vx(x > 5) b. 3.(x2+2x + 1 = 0)

a)

b) or the set

Step-by-step explanation:

First, notice that in both cases we have to sets:

a) is the set of all real numbers which are higher than 5 and in

b) the set is the solution of the equation which is the set

De Morgan's Law for set states:

, being and are the complements of the sets and . is the union operation and the intersection.

Thus for:

a) . Notice that is the complement of the given set.

b) which is the set

step-by-step explanation:

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is there a question here?

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