Question

If a+b=6,ab=2 find (a²+b²), (a⁴+b⁴), (a-b), (a²-b²)​

Answer 1

Answer:

32,1016,5.29,31.74

Step-by-step explanation:

(a+b)^2 =a^2+b^2+2ab

(a-b)^2=a^2+b^2-2ab

(a^2+b^2)^2=a^4+b^4+2a^2b^2