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If roots of an equation x^n-1=0a r e1,a1...

If roots of an equation `x^n-1=0a r e1,a_1,_2, a_(n-1),` then the value of `(1-a_1)(1-a_2)(1-a_3)(1-a_(n-1))` will be `n` b. `n^2` c. `n^n` d. 0

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The correct Answer is:
` rArr (1-a_(1)) (1-a_(n-1))…(1-a_(n-1)) = n`
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VMC MODULES ENGLISH-COMPLEX NUMBERS -JEE ARCHIVE
  1. A relation R on set of complex numbers defined by Z(1)RZ(2) hArr (Z(1)...

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  2. Prove that the complex numbers z(1),z(2) and the origin form an equ...

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  3. If roots of an equation x^n-1=0a r e1,a1,2, a(n-1), then the value of...

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  4. Show that the area of the triangle on the Argand diagram formed by the...

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  5. Complex numbers z(1),z(2)andz(3) are the vertices A,B,C respectivelt o...

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  6. If i z^3+z^2-z+i=0 , where i=sqrt(-1) , then |z| is equal to 1 (b) 1/2...

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  7. If |z|<=1,|w|<=1, then show that |z- w|^2<=(|z|-|w|)^2+(argz-argw)^2

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  8. Find the non-zero complex number z satisfying z =i z^2dot

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  9. Let z1 \and\ z2 be the roots of the equation z^2+p z+q=0, where the co...

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  10. Let barz+bbarz=c,b!=0 be a line the complex plane, where bar b is the ...

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  11. If z(1) and z(2) are two complex numbers such that |z(1)| lt 1 lt |z...

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  12. about to only mathematics

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  13. Let A={theta in (-pi /2,pi):(3+2i sin theta )/(1-2 i sin theta ) is pu...

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  14. Let Z0 is the root of equation x^2+x+1=0 and Z=3+6i(Z0)^(81)-3i(Z0)^(9...

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  15. If z=((sqrt3)/(2)+(1)/(2)i)^5+((sqrt3)/(2)-(i)/(2))^5, then (a)...

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  16. Let (-2-(1)/(3)i)^(3) = (x+iy)/(27) (i=sqrt(-1)), where x and y are re...

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  17. Let z be a complex number such that |z|+z=3+I (Where i=sqrt(-1)) T...

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  18. If (x-alpha)/(z+alpha)(alpha in R) is a purely imaginery number and |z...

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  19. Let Z(1) and Z(2) be two complex numbers satisfying |Z(1)|=9 and |Z(2)...

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  20. if z = (sqrt 3 ) /(2) + (i)/(2) ( i=sqrt ( -1) ), then ( 1 + ...

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