if x-3=1/x, find the value of x2+1/x2
Answers
Answered by
3
Step-by-step explanation:
Given :
x - 3 = (1/x)
It can be written as,
(x - 1/x) = 3
On Squaring equation (1), we get
=> (x-1/x)² = 3²
=> x²+1/x²-2*x*(1/x) = 9
=> x²+1/x² - 2 = 9
=> x² + 1/x² = 9 +2
=> x² + 1/x² = 11
Therefore,
x²+1/x² = 11
Hope it helps!
Answered by
1
Answer: x²+1/x² = 11. Explanation: Given. x-1/x = 3---(1). On Squaring equation (1), we get. => (x-1/x)² = 3². => x²+1/x²-2 *x*(1/x)
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