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Straight Lines — Applied Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceApplied MathsStraight Lines4 Marks
Question
The value of $\lambda$, if the lines $(2 x+3 y+4)+\lambda(6 x-y$ $+12)=0$ are
Column-IColumn-II
(a) Parallel to y-axis is(i) $\lambda=-\frac{3}{4}$
(b) Perpendicular to 7x + y -4 = 0 is(ii) $\lambda=-\frac{1}{3}$
(c) Passes through (1, 2) is(iii) $\lambda=-\frac{17}{41}$
(d) Parallel to x-axis is(iv) $\lambda=3$
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Answer

(a) → (iv), (b) → (iii), (c) → (i), (d) → (ii).

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