can you give me the solution
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Answer: 18
Step-by-step explanation:x^2+1/x^2= (x+1/x)^2
(x+1/x)^2 = x^2 + 2(x)(1/x) + 1/x^2
= x^2 + 2 + 1/x^2
=7+2
(x+1/x)^2 = 9
(x+1/x) = 3
(x^3+1/x^3) = (x+1/x)(x^2 - 1 + 1/x^2)
= (3)(7-1)
= 3 x 6
= 18
sachinsharma3472:
nice
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