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If the polynomial f(x) = 2x^3 + mx^2 + n...

If the polynomial `f(x) = 2x^3 + mx^2 + nx - 14` has (x - 1) and (x + 2) as its factors, find the value of m x n.

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MCGROW HILL PUBLICATION-FUNDAMENTALS OF ALGEBRA-Multiple Choice Questions
  1. If the polynomial f(x) = 2x^3 + mx^2 + nx - 14 has (x - 1) and (x + 2)...

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  2. If m=2, n=3, p=4, q=0,r= 7 and s = 10, then the expression (3m+2n)/(q+...

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  3. If a = 29, b = 24 and c = 27, find the value of a^3+b^3+c^3-3abc

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  4. If x = 16, y = 10, z = 5 and t=-1, find the value of (x-y)(5sqrtx-y)+s...

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  5. The simplified value of the expression (a+b-c)^2+2(a+b-c)(a-b+c)+(a-b+...

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  6. The value of (x-y)^3+(x+y)^3+3(x-y)^2(x+y)+3(x+y)^2(x-y) is

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  7. If p+q=2 , pq=1 then the value of p^3+q^3+6p^2+5q^2+6pq is

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  8. If x-1/x=3, then the value of x^3-1/x^3 is

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  9. If x=3, y=2 and z=-1 , then the value of (x^3+y^3+1)/(y^3-z^3) is

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  10. If a = 15, b = 12 and c= 9, find the value of sqrt(((2a+2b)(2c+a))/(2(...

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  11. If x=40, y=43, z=47 , find the value of x^3+y^3+z^3-3xyz.

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  12. If P varies directly as QR and the values of P, Q. R be 6, 9, 10 repec...

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  13. If (x+a) is a factor of f(x)=x^3+ax^2-2x+a+4 , then a is

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  14. If m is any positive integer, then the last two digits in the expressi...

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  15. If (x-a)/(b+c)+(x-b)/(c+a)+(x-c)/(a+b)=3 then value of x is

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  16. The value of x that satisfies the equation 4/(x-3)+5/(x-5)=9/(x-13) is

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  17. If 0.3x -0.37 = 0.37x -0.3, then x has the value

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  18. If x/6+y/15=4 and x/3-y/12=4 3/4 find x and y.

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  19. If x+y=sqrt3, x-y=sqrt2, then the expression 8xy(x^2+y^2) has the valu...

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  20. In a pair of fractions, fraction A is twice the fraction B and the ...

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  21. The difference between the numerator and the denominator of a fraction...

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