Math, asked by jerrysam2007j, 1 month ago

If a = 9 - 4√5, find the value of ( −
1
/
)
^2

Answers

Answered by Nihuu09

0

Answer: 0

Step-by-step explanation:

a=9-4root5

1/a=(1/9-4root5)×(9+4root5/9+4root5)

1/a=9+4root5

(a-1/a)^2

(9+4root5-9-4root5)^2

(0)^2

0

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