if x+1/x=4 then find x⁴+1/x⁴
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Answer:
× + 1/× = 4
ײ+1/ײ +2 =16
ײ+1/ײ= 14
×^4+1/×^4 +2 = 14² = 196
×^4+1/×^4 = 194
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