IIT-JEE 2002 | Straight Lines and Pair of Straight Lines Question 21 | Mathematics

IIT-JEE 2002

MCQ (Single Correct Answer)

-1

Locus of mid point of the portion between the axes of $$x$$ $$\cos \alpha + y\sin \alpha = p$$ where $$p$$ is constant is

$${x^2} + {y^2} = {4 \over {{p^2}}}\,\,\,$$

$${x^2} + {y^2} = 4{p^2}$$

$${1 \over {{x^2}}} + {1 \over {{y^2}}} = {2 \over {{p^2}}}$$

$${1 \over {{x^2}}} + {1 \over {{y^2}}} = {4 \over {{p^2}}}$$

IIT-JEE 2002

MCQ (Single Correct Answer)

-1

A triangle with vertices $$(4, 0), (-1, -1), (3, 5)$$is

isosceles and right angled

isosceles but not right angled

right angled but not isosceles

neither right angled nor isosceles

IIT-JEE 2001 Screening

MCQ (Single Correct Answer)

-0.75

Area of the parallelogram formed by the lines $$y = mx$$, $$y = mx + 1$$, $$y = nx$$ and $$y = nx + 1$$ equals

$$\left| {m + n} \right|/{\left( {m - n} \right)^2}$$

$$2/\left| {m + n} \right|$$

$$1/\left( {\left| {m + n} \right|} \right)$$

$$1/\left( {\left| {m - n} \right|} \right)$$

IIT-JEE 2001 Screening

MCQ (Single Correct Answer)

-0.75

The number of integer values of $$m$$, for which the $$x$$-coordinate of the point of intersection of the lines $$3x + 4y = 9$$ and $$y = mx + 1$$ is also an integer, is

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