Question

if y square =1/ysquare =11 find the value of y-1/y.​

Answer 1

Answer:

sorry, I did not understand

Step-by-step explanation:

Answer 2

Answer:

3

Step-by-step explanation:

= (y-1/y)^2

= y^2+1/y^2 - 2*y*1/y

= 11 - 2

= 9

Hence, (y-1/y) = square root(9)

= 3