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If (x-a) is the HCF of x^(2) - x - 6 and...

If (x-a) is the HCF of `x^(2) - x - 6` and `x^(2) + 3x - 18`. Then, the value of a is

A

3

B

4

C

1

D

2

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The correct Answer is:
A
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ARIHANT PUBLICATION BIHAR-HCF AND LCM -EXAM BOOSTER FOR CRACKING EXAM
  1. The HCF of two expressions a and b is 1. Their LCM is

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  2. The LCM of the polynomials (x + 3) ^(2) (x - 2) ( x +1) ^(2) and (x +1...

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  3. The HCF of 4y^(4)x - 9y^(2)x^(3) and 4y^(2)x^(2) + 6yx^(3) is

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  4. The HCF of 2x^(3) + 2x, x^(2) +1, x^(4) - 1 is

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  5. The LCM of the polynomials A and B, where A = (x+3)^(2)(x-2)(x+1)^(2) ...

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  6. For what value of x,x^(2) - 4x -5 and x ^(3) - 4x ^(2) - 7x + 10 elimi...

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  7. The HCF of two expressions is 3x ^(2) + 4x - 4 and their LCM is 3x ^(...

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  8. The HCF of two polynomials 4x^2(x^2 – 3x+2) and 12x(x-2)(x^2 - 4) is 4...

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  9. For what value of x, x^(3) - 2x^(2) - 2x - 3 and x^(2) - 2x - 3 become...

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  10. The LCM and HCF of two polynomials p(x) and q(x) are 36x^(3)(x+a)(x^(3...

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  11. The LCM of two polynomials p(x) and q(x) is x^(3) - 7x + 6. If p(x) = ...

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  12. If (x+1) is the HCF of (a x^(2) + bx + c) and (bx^(2) + ax + c), then ...

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  13. The volume of a cube is given by V = x^(3) - 9x^(2) + 27x - 27. The ed...

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  14. The area of a square is given by A = x^(2) + 4x + 4, then the diagonal...

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  15. If (x+k) is the HCF of (x^(2) + ax + b) and (x^(2) + px + q), then the...

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  16. The area of a rhombus is (1)/(2)x^(2) + 2x + (3)/(2). Then, its smalle...

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  17. The volume of a cuboid isx^(3) - 7x + 6, then the longest side of cubo...

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  18. HCF and LCM of two polynomials are (x+y) and 3x^(5) + 5x^(4)y + 2x^(3)...

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  19. If (x-a) is the HCF of x^(2) - x - 6 and x^(2) + 3x - 18. Then, the va...

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  20. For what value of a, the HCF of y^(2) - 2y - 24 and y^(2) - ay - 6 is ...

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