The number of real values of \alpha for which the pair of lines represented by (\alpha^{2}+12|\alpha|) x^{2}+6 x y+(18-21|\alpha|) y^{2}=0 are at right angles to each other, is

TS EAMCET 20-July-2022 Shift 2 Solved Paper

Section: Mathematics

Question : 48 of 160

Marks: +1, -0

The number of real values of α for which the pair of lines represented by (α2+12|α|)x2+6xy+(18−21|α|)y2=0 are at right angles to each other, is

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