a² + 1/a² = 27
a - 1/a = ?
nEED Tq!~
Answers
Answered by
3
It is given that,
So, by subtracting both the sides we get:
Hence,
⭐______________________⭐
Hopes its helpful.
Answered by
49
Answer:
- ±5
Step-by-step explanation:
Given
- a² + 1/a² = 27
To find
- a - 1/a
Solution
→ (a - 1/a)² = a² + 1/a² - 2
- (a - 1/a)² = 27 - 2
- (a - 1/a)² = 25
- (a - 1/a) = √25
- (a - 1/a) = ±5
Hence, the value of a - 1/a is ±5.
Similar questions