Question

if a^2 +b^2=5 and a^2*b^2=3 then find find the value of a^4+b^4​

Answer 1

Step-by-step explanation:

a² + b² = 5

Doing square both side

a⁴ + b⁴ + 2(3) = 25

a⁴ + b⁴ = 25-6 = 19