Q62.If the center and radius of the circle = 2 are respectively ๐ผ, ๐ฝ and ๐พ, then 3๐ผ+ ๐ฝ+ ๐พ is equal to ๐ง- 3 (1) 11 (2) 9 (3) 10 (4) 12
What This Question Tests
This question tests the ability to recognize and convert the given complex number equation into the standard form of a circle in the complex plane to find its center and radius.
Concepts Tested
Formulas Used
|z - zโ| = r
๐ NCERT Sections This Tests
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2.2 A regular hexagon of side 10 cm has a charge 5 mC at each of its vertices. Calculate the potential at the centre of the hexagon.
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๐ Question Details
- Chapter
- Complex Numbers
- Topic
- Equation of a circle in complex plane
- Year
- 2023
- Shift
- 01 Feb Shift 1
- Q Number
- Q62
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 5: Complex Numbers
More from this Chapter
Q84.If |z + 4| โค3 , then the maximum value of |z + 1| is (1) 4 (2) 10 (3) 6 (4) 0
Q73.The conjugate of a complex number is 1 . Then the complex number is iโ1 (1) โ1 (2) 1 iโ1 i+1 (3) โ1 (4) 1 i+1 iโ1
Q62.If z โ4z = 2, then the maximum value of |z| is equal to (1) โ3 + 1 (2) โ5 + 1 (3) 2 (4) 2 + โ2
Q61.If ฮฑ and ฮฒ are the roots of the equation x2 โx + 1 = 0, then ฮฑ2009 + ฮฒ2009 = (1) โ1 (2) 1 (3) 2 (4) โ2