x+1/x=2√10 then find the positive value of x^3-1/x^3
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Answer:
x+1/x ka whole sq = x^2 + 1/x^2 + 2 = 40 ]
x-1/x ka sq = 38 -2 = 36
x^3-1/x^3 = (x-1/x)(x^2+1/x^2 +1)
== 6 * (38+1)
Step-by-step explanation:
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