Multiple choice question II — task. Mathematics State Board, Class 10.

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Consider four straight lines

(i) \(l_1 : 3y = 4x + 5\)

(ii) \(l_2 : 4y = 3x - 1\)

(iii) \(l_3 : 4y + 3x = 7\)

(iv) \(l_4 : 4x + 3y = 2\)

Which of the following statement is not true?

\(l_1\) and \(l_3\) are perpendicular
\(l_2\) and \(l_3\) are not parallel
\(l_1\) and \(l_4\) are not parallel
\(l_2\) and \(l_4\) are not perpendicular

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