Answer:
a 8 parts b 8 3|4 = 3×2|4×2=b|8
Step-by-step explanation:
y⁴ · y³ = y¹
y⁷ - y¹ = 0
y(y⁶ - 1) = 0
y = 0, (y⁶ - 1) = 0
y⁶ = 1
|y| = 1
y = (+/-)1
Answer: y = 0, 1, -1
