Rational Exponents and Surds (Grade 11 NSC Matric Mathematics): Flashcards

Exponent written as fraction with integers

Radical resulting in an irrational number

$\sqrt[n]{a}$

Number under the radical symbol

Radicand must be positive for real results

Radicand can be positive or negative

Surds with same index ($m = n$)

$\sqrt[n]{ab}$

Converting surd denominator to rational denominator

$\sqrt[n]{a^m}$