Question

In Singular elliptic curve, the equation x^3+ax+b=0 does ____ roots.

(a) does not have three distinct

(b) has three distinct

(c) has three unique

(d) has three distinct unique

The question was posed to me during an online interview.

The query is from Elliptic Curve Arithmetic/Cryptography in division Other Public Key Cryptosystems and Cryptographic Hash Functions of Cryptograph & Network Security

Answer 1

Correct choice is (a) does not have three distinct

The best I can explain: In Singular elliptic curve, the equation x^3+ax+b=0 does not have three distinct roots.