Question

if a =3-2√2the find a^2-1/a^2​

Answer 1

Answer:

a^2 will be (3-2✓2)^2 = 17-6✓2

a2-1 = 16-6√2 = 8-√2

a^2-1/a^2 = 17-6√2/8-√2

pls mark as brailiest...

Answer 2

Answer:

a2-1/a2 wilĺ be req t prov