Question

If a= 3 - √5 , find the value of a + 1/a

Answer 1

3√5(√5-1) / 4

Hope it's helpful

Answer 2

Answer:

ohk buddy .

Step-by-step explanation:

a = 3-root 5

find the value of a+1/a

ATQ,

= 3-root 5 +1 / 3-root 5

= 2 - root 5 * 3 + root 5 / 3- root 5 × 3 + root 5

= (a+b)*(a-b) = a^2-b^2

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