If x + 1/x = 7, find x2 + 1/x2
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Answer:
+1/=51
Step-by-step explanation:
:
-1/=7••••••(1)
:
+-2=(-)
,
+1/
=(-1/)+2**(1/)
=(-1/)+2
=7+2[(1)]
=49+2
=51
,
+1/=51
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