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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If r and s are variables satisfying the equation 1 r+s = 1 r + 1 s . The value of ( r s )^3 is equal to:

Options

  1. A1
  2. B-1
  3. C3
  4. Dnot possible to determine.

Correct answer

A. 1

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