a2 + 1/ a2 = 47 and a = € find.
1. a + 1/a
2. a3 + 1/ a3
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Answered by
8
a +1/a = 7
a^3 + 1/a^3 =343 - 21 =322
a^3 + 1/a^3 =343 - 21 =322
Larajain:
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