If \alpha, \beta are non-zero integers and z=(\alpha+i \beta)(2+7 i) is a purely imaginary number, then minimum value of |z|^2 is [TG EAPCET 12 May 2023 Shift 1]

TS EAMCET Engineering 12 May 2023 Shift 1 Solved Paper

Section: Mathematics

Question : 62 of 160

Marks: +1, -0

If α,β are non-zero integers and z=(α+iβ)(2+7i) is a purely imaginary number, then minimum value of |z|2 is

[TG EAPCET 12 May 2023 Shift 1]

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