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The number of roots of the equation sqrt...

The number of roots of the equation `sqrt(x-2)(x^2-4x+3)=0` is

(A) Three

(B) Four

(C) One

(D) Two

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  11. if z and w are two non-zero complex numbers such that absz=absw and ar...

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  12. The number of irrational roots of the equation (4x)/(x^2+x+3)+(5x)/(x...

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  13. If |z+barz|+|z-barz|=2 then z lies on (a) a straight line (b) a se...

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  19. Consider the circle |z|=r in the Argand plane, which is in fact the in...

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