Is the IRR/NPV is a polynomial, given the condition that a polynomial can have constants, variables and exponents, but never division by a variable.

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Graham N. Bornholt

Multiply both sides of the usual equations by (1+r)n where r is the IRR in the case of the IRR equation, and r is the NPV discount rate in the case of the NPV equation. While the resulting equations are different from the original equations, a solution to the original equation will be a solution to the corresponding new equation.

Kannapiran C Arjunan

Thanks Graham. Appreciate your answer.