Question

quadratic equations, y square + 1/y =2,​

Answer 1

Answer:

1 or -1

Step-by-step explanation:

y² +1/y =2

=) y³ +1 = 2y

=) y³ - 2y = -1

=) y(y²- 2) = -1 =)[ y = -1 ]

=) y² = 2-1

=) y = 1

Hence , y = 1 and -1