Question

if a=1/(a-5) find a^2-1/a^2

Answer 1

a= 1/(a-5) then a2-1/A2 = 5√29

Answer 2

Step-by-step explanation:

a^2-1/a^2

(a)^2 - (1/a)^2

(a+1/a) (a-1/a)

√29 × 5

5√29