If x-(1/x)= 15/4. Find x + (1/x).
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Answer:
Step-by-step explanation:
x-(1/x)= 15/4
square on both the sides
x² + 1/x² - 2 = 215/16
x² + 1/x²= 215/16 + 2 ----------------------->>(1)
[x + (1/x)]² = x² + 1/x²+ 2
[x + (1/x)]²= 215/16 +4 ---------(from (1))
[x + (1/x)]²=279/16
[x + (1/x)] = √(279/16)
x + (1/x) = √279/ 4
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