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If a ^(2) + b ^(2) = 5 ab, then the valu...

If `a ^(2) + b ^(2) = 5 ab,` then the value of `((a ^(2))/( b ^(2)) + (b ^(2))/( a ^(2)))` is :

A

32

B

16

C

23

D

`-23`

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