please solve it please friend
Attachments:
Answers
Answered by
46
Answer:
See the photo for your answer....
Attachments:
Answered by
1
Answer:
7
Step-by-step explanation:
x - 1/x = √5
Squaring both sides
x²+(1/x)²-2×x×(1/x) = 5
x²+1/x² -2 =5
∴x²+1/x²=7
Similar questions