Question

y -1/y=3+root 2 what is the value of y-1/y whole cube​

Answer 1

Answer:

hahahahahahahhqhqhqhqhqhqhqh

Answer 2

Answer:

45 root 2

Step-by-step explanation:

y-1/y =3+✓2

y^3-1/y^3

(y-1/y)^3= y^3 -1/y^3 - 3×y×1/y(y-1/y)

(3+✓2)^3=y^3-1/y^3-3(3+✓2)

(3)^3+(✓2)^3+3×3×✓2(3+✓2)

27+✓2+9✓2+3+✓2

36+3✓2

39✓2 =y^3 -1/y^3 -9+3✓2

39✓2+9 -3✓2 =y^3 - 1/y^3

48-3✓2

45✓2