If 4cos36^(@)+cot(7(1^(@))/(2))=sqrt(n(1...

If `4cos36^(@)+cot(7(1^(@))/(2))=sqrt(n_(1))+sqrt(n_(2))+sqrt(n_(3))+sqrt(n_(4))+sqrt(n_(5))+sqrt(n_(6))`, then the value of `((Sigma_(i=1)^(6)n_(i)^(2))/(10))` is equal to

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9.1

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