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· 1 Months ago

(Question:142933.0)

Question:
If x2 + \(\cfrac{1}{x^2}\) = 51, then the value of x – \(\cfrac{1}{x}\) will be:
Options:
A) +7 
B) -7
C) ±7
D) ±9
Solution:

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· commented

· 1 Months ago

Dear student
Please specify your doubt clearly.

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