Question

If a²+1/a²=23 find the value of (a+1/a)

Answer 1

Answer:

Step-by-step explanation:

(a + (1/a)2 =  a2 + (1/a2) + 2

⇒ (a + (1/a))2 = 23 + 2

⇒ (a + (1/a))2 = 25

⇒ a + (1/a) =

⇒ a + (1/a) = 5