Question

1
5) If a+ 1/a = 2, find a^3 + 1/a^​

Answer 1

Answer:

1

5) If a+ 1/a = 2, find a^3 + 1/a^

Answer 2

$\bold\purple{solution > > }$

a + 1/a = 2

a² + 1 /a = 2

a²/a = 2 - 1 => 1

a = 1

a³ + 1/a

substitute, 'a' .,

= 1³ + 1/1

= 1 + 1 => 2

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therefore, a³ + 1/a = 2

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