If a-1/a=5, then find a+1/a
Answers
Answered by
1
Answer:
√29
Step-by-step explanation:
a - 1/a =5
Squaring both sides
a² + 1/a² -2 = 25 [by identity (a-b)²=a²+b²-2ab]
a² + 1/a² = 27
a² + 1/a² +2 = 29
(a+1/a)² = 29 [by identity (a+b)²=a²+b²+2ab]
a+1/a = √29
Answered by
1
Hope the answer is correct
Attachments:
Similar questions