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The roots of the equation x^(2) - 8x + 1...

The roots of the equation `x^(2) - 8x + 12 = 0` are ………… .

A

Real and equal

B

real and unequal

C

real and irrational

D

unreal

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The correct Answer is:
B
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FULL MARKS-ALGEBRA-Additional Questions Solved
  1. Evaluate sqrt(20+sqrt(20+sqrt(20)))

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  2. If alpha and beta are thr roots of the equation ax^(2) + bx + c = 0 t...

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  3. The roots of the equation x^(2) - 8x + 12 = 0 are ………… .

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  4. If one root of the equation is the reciprocal of the other root in ax^...

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  5. If alpha and beta are roots of the equation x^(2) + 2x + 8 = 0 the the...

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  6. If [(x+y,x-y),(7,6)] = [(10,2),(7,z)] then x, y, z are ………… .

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  7. If [(-1,-2,4)] [(2),(a),(-3)]= -10 then the value of "a" is …………. .

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  8. The matrix A given by (a(ij))(2 xx 2) if a(ij) = i - j is ………. .

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  9. If the order of matrix A is 3times4 and the order of B is 4times3 then...

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  10. If [(4,3,2)] [(1),(-2),(x)] =6 then "x" is ………. .

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  11. Solve x + y = 7 , y + z = 4 , z + x = 1

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  12. Find the HCF of 25x^(4)y^(7) , 35x^(3)y^(8) , 45x^(3)y^(3)

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  13. Find the HCF of x^(3) + x^(2) + x + 1 and x^(4) - 1.

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  14. Find the LCM of x^(3) + y^(3) , x^(3) - y^(3),x^4+x^2y^2+y^4

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  15. Find the L.C.M of x^(3) + x^(2) - x - 1 and x^(3) + 3x^(2) - x - 3

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  16. For What value of k, the G.C.D of [x^(2) + x - (2k + 2)] and 2x^(2) + ...

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  17. Simplify (x^(2) + x-6)/(x^(2) + 4x +3)

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  18. Multiply (a^(3) b^(2))/(a-1) " by " (a^(2)-1)/(a^(2)b^(3))

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  19. If P = (x^(2) -36)/(x^(2) -49) and Q= (x+6)/(x+7) find the value of (P...

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  20. Simplify (x^2)/(x+y) -(y^2)/(y+x)

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