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Mth – SETS AND RELATIONS + FACTORIZATION AND ALGEBRAIC MANIPULATION

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If R = {(2, 4), (3, 6), (4, 8)}, what is the domain of R?

A {2, 3, 4} B {4, 6, 8} C {2, 4, 6, 8} D {6, 8}

A A ∩ B = ∅ B A ∪ B = ∅ C A ∩ B = U D A = B

A 1/(x + 2) B 1/(x + 3) C (x + 3)/(x + 2) D 1/(x - 2)

A 6x²y² B 36x³y³ C 6x³y³ D 12x²y²

A x + 3 B x - 3 C x + 1 D x - 1

A 1 B x + 5 C x - 5 D (x + 5)/(x - 5)

A (2x - 3)(4x² + 6x + 9) B (2x - 3)(4x² - 6x + 9) C (2x + 3)(4x² - 6x + 9) D (2x + 3)(4x² + 6x + 9)

A (x - 3 - y)(x - 3 + y) B (x - 3 - y)² C (x + 3 - y)(x + 3 + y) D (x - 3)(x - 3) - y²

A {1, 2, 3} B {a, b, c} C {1, a, 2, b, 3, c} D {a, b}

A (x - 2)(x² + 2x + 4) B (x + 2)(x² - 2x + 4) C (x - 2)(x² - 2x + 4) D (x + 2)(x² + 2x + 4)

A x - 2 B x + 2 C x - 1 D x + 1

A Universal set B Empty set C The set itself D No identity exists

A x + 2 B x - 2 C x + 4 D x - 4

A 1/(x + 1) B (x - 2)/(x + 1) C (x + 2)/(x + 1) D 1/(x - 1)

A (3x - 5)² B (3x + 5)² C (9x - 5)(x - 5) D (3x - 5)(3x + 5)

A 3xy B 3x²y C 18xy D 3x²y³

A {a, b, c, d} B {b, c} C {a, d} D {c, d}

A 1 B x + 1 C x - 1 D (x + 1)/(x - 1)

A (3x + 2)(x + 3) B (3x + 3)(x + 2) C (x + 2)(3x + 3) D (3x + 6)(x + 1)

A {(1, a), (1, b)} B {(1, 1), (2, 2)} C {(a, 1), (b, 2)} D {(1, 2, a)}