If a + 1/a = 3 then the value of (a² + 1/a²)
Answers
Answered by
2
Answer:
=>a+1/a=3
Squaring both sides,
=>(a+1/a)²=(3)²
=>(a)²+(1/a)²+2×a×1/a=9
=>a²+1/a²+2=9
=>a²+1/a²=9-2
=>a²+1/a²=7
Therefore the value of (a²+1/a²) is 7
Answered by
0
Step-by-step explanation:
by squaring both the given equation you can get it
Attachments:
Similar questions