Question

a²-b²=8 and a*b=2 find a⁴+b⁴=​

Answer 1

Hope it is useful for u....

Answer 2

Answer:

72

Step-by-step explanation:

given that     a² -b² = 8

on squaring both sides

(a² -b²)² = 64

$a^4 +b^4 -2(ab)^2 = 64\\a^4+b^4 =64 + 2*(2)^2\\a^4 +b^4 = 72$

Hence the value is 72.

Hope it helps!!!!