Assertion :If the vectors →a and →c are non-collinear, then the lines →r=6→a−→c+λ(2→c−→a) and →r=→a−→c+μ(→a−3→c) intersect in a point Reason: There exist λ and μ such that the two values of →r become same.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion R:Since →r1(2λ−1)→c+(6−λ)→a and r2=−(1+3μ)→c+(1+μ)→a are not parallel
Two lines will intersect for some value of λ and μ
(since they are not parallel) as only two vectors are involved