In this lesson I discuss the second, very basic method for computing certain limits of sequences that involve a difference with radicals.

You will learn how to effortlessly distinguish the two versions (easier and harder) of limits that are solved using multiplication by the conjugate.

Table of Contents

• overview: when we apply the method [01:30]
• multiplying by the conjugate with square roots – example 1 [02:41]
• multiplying by the conjugate with square roots – example 2 [07:48]
• multiplying by the conjugate with square roots – example 3 [10:31]
• multiplying by the conjugate with square roots – example 4 [14:24]
• multiplying by the conjugate with square roots – example 5 [20:27]
• multiplying by the conjugate with square roots – example 6 [24:11]
• multiplying by the conjugate with a cube root – example [27:56]
• using two methods at once – example [30:45]