Question

I want an step by step solution for this sum​

Answer 1

Answer:

hey,...

ur answer is "" 7""....

Answer 2

Step-by-step explanation:

a²=(9+5+6✓5)/4

a²=(2)(7+3✓5)/4

a²=(7+3✓5)/2

a²+1/a²=(7+3✓5)/(2)+(2)/(7+3✓5)

=(49+45+42✓5+4)/(14+6✓5)

=(98+42✓5)/(14+6✓5)

=(49+21✓5)/(7+3✓5)