if x+1/x=6 find x-1/x
Answers
Answered by
1
Answer:
(x - 1/x) = √30
Step-by-step explanation:
(x + 1/x)² = x² + (1/x)² + 2
Given: (x + 1/x) = 6
(x + 1/x)² = 36
36 = x² + (1/x)² + 2
34 = x² + (1/x)²
(x - 1/x)² = x² + (1/x)² - 2
(x - 1/x)² =32 - 2 = 30
(x - 1/x) = √30
Similar questions