Question
If (a2 + 1/a2) = 51, then find
the value of (a3 - 1/a3).Solution
Since, (a2 + 1/a2) = 51 So, a - 1/a = √ {51 - 2} = 7 So, (a3 - 1/a3) = 73 + 3 * 7 = 343 + 21 = 364
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