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If root3(-1) = -1 , -omega, -omega^(2) ...

If ` root3(-1) = -1 , -omega, -omega^(2)` , then roots of the equation ` (x+1)^(3) + 64 =0` are

A

` -1- 4omega`

B

` -1-4 omega^(2)`

C

`-5`

D

`-4`

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A, B, C
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AAKASH INSTITUTE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-Assignment (Section -C) (objective Type Questions ( more thena one options are correct )
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  2. If z=x+i y , then the equation |(2z-i)/(z+1)|=m does not represents a ...

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  3. If root3(-1) = -1 , -omega, -omega^(2) , then roots of the equation ...

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  4. If z(1)=p+iq and z(2) = u = iv are complex numbers such that |z(1)|=...

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  5. The pressure-volume of various thermodynamic process is shown in graph...

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  6. If z(1) ,z(2) be two complex numbers satisfying the equation |(z(1)...

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  7. If sin alpha, cosalpha are the roots of the equation x^2 + bx + c = 0 ...

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

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  9. The solution set of the inequality (x+3)^(5) -(x -1)^(5) ge 244 is

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  10. Let a,b,c be real numbers in G.P. such that a and c are positive , the...

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  11. Let cos alpha be a root of the equation 25x^(2) +5x -12 = 0 -1 lt x...

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  12. If the quadratic equations x^(2) +pqx +r=0 and z^(2) +prx +q=0 have a...

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  13. The quadratic equation x^(2) - (m -3)x + m =0 has

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  14. If both roots of the equation x^(2) -2ax+a^(2)-1=0 lie between -3 and...

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  15. Let alpha, beta " the roots of " x^(2) -4x + A =0 and gamma, delta " ...

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  16. For the equation x^(3/4(logx)^(2)+log(2)x-5/4)=sqrt2, which one of the...

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  17. If f(x)=a x^2+b x+c ,g(x)=-a x^2+b x+c ,where ac!=0, then prove that f...

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  18. Sum of the squares of all integral values of a for which the inequalit...

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  19. If the roots of the equation 1/(x+p) + 1/(x+q) = 1/r are equal in mag...

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  20. Find the integral values of a for which (a+2)x^2+2(a+1)x+a=0 will have...

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