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Grade: 12th pass

                        

What is the difference of the factors of the expression x2 + (1/x2) – 6 ?

3 years ago

Answers : (1)

Ritesh Khatri
76 Points
							
x2+ 1/x2 – 6
= x2+ 1/x2 – 2 – 4
= x2+ 1/x2 – 2(x)(1/x) – 4
=(x – 1/x)2 – 22
=(x – 1/x + 2)(x – 1/x  – 2)
 
their absolute difference is 4
3 years ago
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