Math Problem Statement
समूह 'क' (Group 'A') [10x 1 = 10] १. यदि f(x)= x भए f(x) कुन प्रकारको फलन हो ? लेख्नुहोस् । If f(x) = x then what type of function is f(x) ? Write it. 2. यदि a, Gर b गुणोत्तर श्रेणीमा भए G लाई a र b को रुपमा लेख्नुहोस् । If a, G and b are in a geometric series, write G in terms of a and b. ३. अन्तराल सङ्केत (-2,3) लाई संख्या रेखामा देखाउनुहोस् । Show the interval notation (-2,3) in the number line. ४. स्वामित्वहीन एकल मेट्रिक्सलाई परिभाषित गर्नुहोस् । Define non-singular matrix. ५ झुकावहरू क्रमश: m1 र m2 भएका दुई रेखाहरू बीचको कोण पत्ता लगाउने सुत्र लेख्नुहोस् । Write the formula to find the angle between two straight lines having slopes m1 and m2 respectively. ६. एउटा समकोणी सोलीलाई समतलीय सतहले कुन अवस्थामा प्रतिच्छेदन गर्दा वृत्त: बन्दछ ? लेख्नुहोस् । In which condition a circle will be formed when a plane intersects a right circular cone? Write it. ७. Cos2A लाई CosA र SinA को रूपमा व्यक्त गर्नुहोस् । Express Cos2A in terms of CosA and SinA. ८. CosC + CosD लाई Cosine को गुणनफलको रूपमा लेख्नुहोस् । Write CosC + CosD in the form of product of Cosine. ९. यदि दुई भेक्टरहरू a ⃗ र b ⃗ बिचको स्केलर गुणनफल शुन्य भए a ⃗ र b ⃗ बिचको सम्बन्ध लेख्नुहोस् । If the scalar product of two vectors a ⃗ and b ⃗ is zero, then write the relation between a ⃗ and b ⃗ १०. विन्दु P को उत्क्रम विन्दु P', उत्क्रम वृत्तको केन्द्रविन्दु 'O' र अर्धव्यास 'r' भए OP र OP' को गुणनफल कति हुन्छ ? लेख्नुहोस् । P' is the inversion point of a point P in an inversion circle having centre 'O' and radius 'r' then what is the product of OP and OP'? Write it
Solution
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Math Problem Analysis
Mathematical Concepts
Functions
Geometric Series
Interval Notation
Matrix Operations
Angle Between Lines
Circle and Cone Intersection
Trigonometric Identities
Scalar Product of Vectors
Inversion in Geometry
Formulas
Geometric mean formula
Angle between lines formula
Sum-to-product identity
Theorems
Identity function
Non-singular matrix conditions
Suitable Grade Level
High School
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