if a^2+1/a^2=23 find value of (a+1/a)
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Answered by
0
Answer:
gr
Step-by-step explanation:
Answered by
0
Answer:
Answer:+5 or -5
Answer:+5 or -5Step-by-step explanation:
a^2+1/a^2=23
Add both sides 2
a^2+1/a^2+2=23+2
a^2+1/a^2+2=23+2(a+1/a)^2=25
a^2+1/a^2+2=23+2(a+1/a)^2=25Now,
a^2+1/a^2+2=23+2(a+1/a)^2=25Now,a+1/a=√25=+5 or -5
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