TS EAMCET 9-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

Question : 7 of 160

Marks: +1, -0

Let a, b ∊ R and the roots α, β of the equation z2+az+b=0 be complex. If the origin, α and β represent the vertices of an equilateral triangle on the Argand plane, then

a=b
a2=3b
a2=4b
a=3b

Validate

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