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Direction Cosine Of Line (रेखा की दिक्-क...

Direction Cosine Of Line (रेखा की दिक्-कोज्याएँ)|Direction Cosine Of Axis (अक्षों की दिक्-कोज्याएँ)|Direction Ratios (दीक् अनुपात)|Relation Between Direction Cosine & Ratios (दिक् कोज्याओं और अनुपात में संबंध)|Projections (प्रक्षेप)|Projection & Length (प्रक्षेप और लंबाई)|Line (रेखा)|Equation Of Line (रेखा का समीकरण)|Summary |Line Passing Through Two Points (दो बिंदुओं से जाने वाली रेखा)

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What We Learn Today (आज हम क्या पढ़ेंगे)|Basics Of Coordinate Geometry (निर्देशांक ज्यामिति)|Direction Ratios (दिशा अनुपात)|Direction Cosine (दिक्-कोज्या)|Concept Of Line (रेखा की अवधारणा)|Angle Between Two Lines (दो रेखाओ के बीच का कोण) |Questions (प्रश्न)|OMR

Slope Of Line / सीधी रेखा का ढाल |Angle Between Two Lines (दो रेखाओ के बीच का कोण)|Equation Of Line (रेखा का समीकरण)|Concept Of Line (रेखा की अवधारणा)|Questions (प्रश्न)|OMR

Slope Of Line (सीधी रेखा का ढाल)|Angle Between Two Lines (दो रेखाओं के बीच का कोण)|Equation Of Line (रेखा का समीकरण)|Concept Of Line (रेखा की अवधारणा)|Distance Between Two Parallel Lines (दो समांतर रेखाओ के बीच की दूरी)|Distance Of A Point From A Lines (दो रेखा से एक बिन्दु की दूरी)|Some Short Tricks (आसान तरीके)|Questions (प्रश्न)|OMR

Find the the projection of the line segment joining the points : (I) (2,-3,0) (0,4,5) on the line with direction cosines lt (2)/(7) , (3)/(7), (-6)/(7) gt (ii) (1,2,3), (4,3,1) on the line with direction-ratios lt 3, -6, 2 gt .

The monthly incomes of Abhinav and Rekha are in the ratio of 6 : 5, while their monthly expenditures are in the ratio of 9 :8. If the income of Abhinav is twice the expenditure of Rekha, then what is the ratio between the savings of Abhinav and Rekha ? अभिनव और रेखा की मासिक आय 6:5 के अनुपात में है, जबकि मासिक व्यय 9:8 के अनुपात में है | यदि अभिनव की आय, रेखा के व्यय से दोगुनी है, तब अभिनव और रेखा की बचत का अनुपात है:

A straight line passes through the point (1,1,1) makes an angle 60^@ with the positive direction of z- axis, and the cosines of the angles made by it with the positive direction of y-axis and rates are in the ratio sqrt3:1 . What is the acute angle between the iwo posible positions of the line

Two point charges Q_(1) and Q_(2) are positioned at points I and 2. The field intensity to the right of the charge Q_(2) on the line that passes through the two charges varies according to a law that is represented in the figure. The field intensity is assumed to be positive if its direction coincides with the positive direction on the x-axis. The distance between the charges is l. (a) Find the sign of each charge (b) Find the ratio of the absolute values of the charges |(Q_(1))/(Q_(2))| (c) Find the value of b where the field intensity is maximum [(a) Q_(2) is negative and Q_(1) is positive (b) ((l +a)/(a))^(2) , (c) (l)/(((l+a)/(a))^(2//3)-1)]

Two circles of diameters 2 cm and 5.6 cm are such that the distance between their centres is 8.2 cm. What is the length of a common tangent to the circles that does not intersect the line joining the centre ? 2 सेमी और 5.6 सेमी व्यास वाले दो वृत्त इस प्रकार हैं कि उनके केंद्रों के बीच की दूरी 8.2 सेमी है | इन वृत्तों की उभयनिष्ठ स्पर्श रेखा की लंबाई ज्ञात करें जो केंद्रों को जोड़ने वाली रेखा को काटती नहीं है |

Two circles of diameters 4.8 cm and 8 cm are such that the distance between their centres is 6.5 cm. What is the length of a common tangent to the circles that does not intersect the line joining the centres ? व्यास 4.8 सेमी तथा व्यास 8 सेमी वाले दो वृत्त इस प्रकार हैं कि उनके केंद्रों के बीच की दूरी 6.5 सेमी है | इन वृत्तों की उभयनिष्ठ स्पर्श रेखा की लंबाई ज्ञात करें जो केंद्रों को जोड़ने वाली रेखा को नहीं काटती है |