Question

If a = 4 + √15 ,find the value of a + 1/a​

Answer 1

Answer:

8

Step-by-step explanation:

a+1/a=4+✓15+1/4+✓15

=(4+✓15)^2+1/4+✓15

8(4+✓15)/4+✓15

Answer 2

Answer:

x+1/x =8

Step-by-step explanation:

therefor x+1/x =8 is correct answer