WB JEE 2017 | Straight Lines and Pair of Straight Lines Question 56 | Mathematics

WB JEE 2017

MCQ (Single Correct Answer)

-0.25

Let d₁ and d₂ be the lengths of the perpendiculars drawn from any point of the line $$7x - 9y + 10 = 0$$ upon the lines 3x + 4y = 5 and 12x + 5y = 7, respectively. Then,

d₁ > d₂

d₁ = d₂

d₁ < d₂

d₁ = 2d₂

WB JEE 2016

MCQ (Single Correct Answer)

-0.25

The line AB cuts off equal intercepts 2a from the axes. From any point P on the line AB perpendiculars PR and PS are drawn on the axes. Locus of mid-point of RS is

x $$-$$ y = $${a \over 2}$$

x + y = a

x² + y² = 4a²

x² $$-$$ y² = 2a²

WB JEE 2016

MCQ (Single Correct Answer)

-0.25

x + 8y $$-$$ 22 = 0, 5x + 2y $$-$$ 34 = 0, 2x $$-$$ 3y + 13 = 0 are the three sides of a triangle. The area of the triangle is

36 sq units

19 sq units

42 sq units

72 sq units

WB JEE 2016

MCQ (Single Correct Answer)

-0.25

The line through the points (a, b) and ($$-$$a, $$-$$b), passes through the point

(1, 1)

(3a, $$-$$2b)

$$({a^2},ab)$$

(a, b)

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