Question

it a^2+1=0, find a^4+1/a^4​

Answer 1

Answer:

2

Step-by-step explanation:

Given a²+1=0

=>a² = -1

=>(a²)² = (-1)²

=> a⁴ = 1

1/a⁴ = 1/1 =1

so a⁴+1/a⁴ =1+1 =2

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