TS EAMCET 11-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

Question : 60 of 160

Marks: +1, -0

Assertion (A):The direction ratios of line L1 are 2, 5, 7 and those of line L2 are

√19

. The lines L1,L2 are parallel.
Reason (R): The direction ratios of a line L1 are a1,b1,c1 and those of another line L2 are a2,b2,c2. The lines L1 and L2 are parallel if a1a2+b1b2+c1c2=0

(A) is true, (R) is true and (R) is the correct explanation for (A)
(A) is true, (R) is true but (R) is not the correct explanation for (A)
(A) is true but (R) is false
(A) is false but (R) is true

Validate

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