Question

a) {x ∈ Z⁄3x − 4 = 8}
b) {x ∈ R x

2 ⁄ − x − 2 = 0}

c) {x ∈ R x

2 ⁄ + 1 = 0}
d) {x ∈ Z⁄3x − 5 = 10}
e) {x ∈ R x

2 ⁄ − 7x = 0}

f) {x ∈ R x

2 ⁄ + 2x − 15 = 0}
g) {x ∈ R⁄7x + 1 = 0}
h) {x ∈ R x

2 ⁄ − 49 = 0}
i) {x ∈ R⁄x − 5 = 15}
j) {x ∈ R⁄(x − 1)(x + 5) = 0}
k) {x ∈ R x

2 ⁄ − 2 = 0}

l) {x ∈ R x

2 ⁄ − 4x + 4 = 0}

Answer 1

Resposta:

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