Q63.If 5, 5r, 5r2 are the lengths of the sides of a triangle, then r can not be equal to: (1) 3 (2) 3 4 2 (3) 5 (4) 7 4 4
What This Question Tests
This question tests the application of the triangle inequality theorem to determine valid side lengths, where the side lengths are given in a geometric progression, requiring the solution of inequalities.
Concepts Tested
Formulas Used
a + b > c
a + c > b
b + c > a
๐ NCERT Sections This Tests
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5.11 Draw all the isomers (geometrical and optical) of: (i) [CoCl2(en)2] + (ii) [Co(NH3)Cl(en)2] 2+ (iii) [Co(NH3)2Cl2(en)]+
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5.15 Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i) [Fe(CN)6] 4โ (ii) [FeF6] 3โ (iii) [Co(C2O4)3]3โ (iv) [CoF6] 3โ
๐ Question Details
- Chapter
- Coordinate Geometry
- Topic
- Properties of Triangle
- Year
- 2019
- Shift
- 10 Jan Shift 1
- Q Number
- Q63
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 9: Sequences & Series
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