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

If `alpha,beta,gamma` are the roots of the equation `x^3+p x^2+q x+r=0,` then find he value of `(alpha-1/(betagamma))(beta-1/(gammaalpha))(gamma-1/(alphabeta))` .

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The correct Answer is:
`-(r+1)^(3)/r^(2)`
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RESONANCE-EQUATIONS -EXERCISE-1 (PART -1: PRE RMO)
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