if y^2+1/y^2=11 Then find the value of y-1/y
Answers
Answered by
3
Answer:
y- (1/y) = 3
Step-by-step explanation:
Given, y² + (1/y²) = 11
=> (y- (1/y))² +2(y)(1/y) = 11
=> (y- (1/y))² +2 = 11
=> (y- (1/y))² = 11-2
=> (y- (1/y))² = 9
=> y- (1/y) = √9
=> y- (1/y) = 3
Similar questions