Question

the roster form of A={x:x2-9=0}is​

Answer 1

Answer:

A = {-3,+3}

Step-by-step explanation:

Given eq.:-     $x^{2} -9=0$

                  => x = ± 3.

Therefore, roster form of A = {-3,+3}

Answer 2

Answer:

Example 1 Write the solution set of the equation x2 + x – 2 = 0 in roster form. Solving the given equation x2 + x ...