Question

If a+1/a=3 then,a⁴+1/a⁴-4=?​

Answer 1

Answer:

Step-by-step explanation:a+1/a=a

Or, a=3-a/3 or, a^2=3a-1 or, a^2-3a+1=0

See now it became a quadratic equation

Solve it by comairing it with sreedhar acharya's formula

Answers will be 1.5+√5 and1.5-√5

Answer 2

Answer:

a^4+1÷a^4-4

put a=3

3^4+1/3^4-4

81 +1/81-4

1-4

3