If a+1/a=3, find the value of a-1/a
Answers
Answered by
1
Answer:
a+1/a=3
=> (a+1/a)^2=3^2
=> (a-1/a)^2+4.a.1/a=9
=> (a-1/a)^2+4=9
=> (a-1/a)^2=9-4
=> (a-1/a)^2=5
=> a-1/a=√5
Answered by
0
Answer:
Step-by-step explanation:
Answer
0
bagkakali
Genius
3.2K answers
432.9K people helped
Answer:
a+1/a=3
=> (a+1/a)^2=3^2
=> (a-1/a)^2+4.a.1/a=9
=> (a-1/a)^2+4=9
=> (a-1/a)^2=9-4
=> (a-1/a)^2=5
=> a-1/a=√5
Similar questions