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Deepak

· started a discussion

· 1 Months ago

sign error (Question:94427.0)

x4-1/x4 = 119 given
instead of x4+1/x4 =119

Question:
If \(\left (x^4 +\cfrac {1}{x^4} \right )\)=119,  then  value of \(\left ( x^3-\cfrac {1}{x^3} \right )\)  is :
Options:
A) 49
B) 27
C) 36
D) 63
Solution:

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