Question
If (a2 + 1/a2) = 38, then find
the value of (a3 - 1/a3).Solution
Since, (a2 + 1/a2) = 38 So, a - 1/a = √ {38 - 2} = 6 So, (a3 - 1/a3) = 63 + 3 * 6 = 216 + 18 = 234
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