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find the value of x^4 + 1/x^4 if the value of x + 1/x is 7
It pays to keep an open mind, but not so open your brains fall out. - Carl Sagan.
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Hi coolboyx12,
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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