1.

If the middle term of (1/x +x in x )^(10) is equal to7 . 7/8 , then the valueof x is .

Answer»

`2N pi +pi/6 , N in Z`
`NPI +pi/6 , n in Z`
`npi + (-1)^(n). Pi/6 , n in Z`
`npi +(-1)^(n). Pi/3 , n in Z `

Answer :C


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