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Let a0x^n + a1 x^(n-1) + ... + a(n-1) x...

Let `a_0x^n + a_1 x^(n-1) + ... + a_(n-1) x + a_n = 0` be the nth degree equation with `a_0, a_1, ... a_n` integers. If `p/q` is arational root of this equation, then p is a divisor of an and q is a divisor of `a_n`. If `a_0 = 1`, then every rationalroot of this equation must be an integer.

A

A.P.

B

G.P.

C

A.G.P.

D

none of these

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