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If alpha, beta, gamma are the roots of x...

If `alpha, beta, gamma` are the roots of `x^3 + px + q = 0`, then `alpha beta gamma = ___________` .

A

7

B

8

C

11

D

none of these

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UNITED BOOK HOUSE-Model Test Set - 10-Exercise
  1. The numerical value of frac(mean - median)(s.d.) cannot exceed unity. ...

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  2. For any distribution m1 is

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  3. If alpha, beta, gamma are the roots of x^3 + px + q = 0, then alpha be...

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  4. The degree of the polynomial 7x^5 + 5x^9 + 3x^2 + 4x + 1 is

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  5. The greatest common divisor of 7 and 18 is

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  6. The probability of getting 9 dots with two unbiased dice is

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  7. If P(A) = 1/3 , P(B) = 1/2, P(AIB) = 1/6. find P(BIA).

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  8. What is diet survey? Write the advantages and disadvantages of any two...

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  9. If 2u = 5x is the relation between the variables x and u and geometric...

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  10. If the relation between x and y is 2y - 6x = 6 and if mode of x is 12,...

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  11. Are the following data consistent if b1 = 0.7 and b2 = 1.5 (symbol hav...

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  12. For two events A and B P(A^c//BC) + P(A//B^c) = ?

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  13. If P(A + B) = 2/3 and P(A - B) = 1/3, then P(B) = ?

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  14. Write the sample space when one die is thrown twice.

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  15. Define impossible event with examples.

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  16. What is conditional probability?

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  17. Why is Fisher's index number called ideal?

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  18. Distinguish between discrete and continuous variable.

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  19. Write down the merits and demerits of mass questionnaire method.

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  20. If a value of a variable is zero, then what will be the value of A.M.,...

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