If the lines {L}_{1} \equiv 2 x+y+3=0, {L}_{2} \equiv k x+2 y-3=0 and {L}_{3} \equiv 3 x-2 y+1=0 are concurrent then the cosine of the acute angle between the lines {L}_{2}=0 and 2 x-5 y+7=0 is

TS EAMCET 18-July-2022 Shift 2 Solved Paper

Section: Mathematics

Question : 44 of 160

Marks: +1, -0

If the lines L1≡2x+y+3=0,L2≡kx+2y−3=0‌‌ and L3≡3x−2y+1=0 are concurrent then the cosine of the acute angle between the lines L2=0 and 2x−5y+7=0 is

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