IIT-JEE 2003 Screening | Straight Lines and Pair of Straight Lines Question 14 | Mathematics

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IIT-JEE 2003 Screening

MCQ (Single Correct Answer)

-0.75

Orthocentre of triangle with vertices $$\left( {0,0} \right),\left( {3,4} \right)$$ and $$\left( {4,0} \right)$$ is

$$\,\,\left( {3,{5 \over 4}} \right)$$

$$\left( {3,12} \right)$$

$$\left( {3,{3 \over 4}} \right)$$

$$\left( {3,9} \right)$$

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 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

If the pair of lines $$a{x^2} + 2hxy + b{y^2} + 2gx + 2fy + c = 0$$ intersect on the $$y$$ axis then

$$2fgh = b{g^2} + c{h^2}$$

$$b{g^2} \ne c{h^2}$$

$$\,abc = 2fgh$$

none of these

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Some Basic Concepts of Chemistry Structure of Atom Redox Reactions Gaseous State Equilibrium Solutions States of Matter Thermodynamics Chemical Kinetics and Nuclear Chemistry Electrochemistry Solid State & Surface Chemistry

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Straight Lines and Pair of Straight Lines Circle Conic Sections

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