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Class XI Chapter 5 – Complex Numbers and Quadratic Equations Maths ______________________________________________________________________________ 19 21 i 5 10 19 21 5 10 i Question 7: Express the given complex number in the form Solution 7: 1 7 1 4 i 4 i i 3 3 3 3 1 7 1 4 i 4 i i 3 3 3 3 1 4 7 1 4 i 1 3 3 3 3 17 5 3 i 3 1 7 1 4 a ib : i 4 i i 3 3 3 3 Question 8: Express the given complex number in the form Solution 8: 1 i 1 i 4 2 2 2 1 i 2 <strong>11</strong> 2i 2 2i 2 i 2i 2i 2 2 2 4i 4 i 1 2 4 a ib : 1i
Class XI Chapter 5 – Complex Numbers and Quadratic Equations Maths ______________________________________________________________________________ Question 9: Express the given complex number in the form Solution 9: 3 3 1 1 3 1 1 3i 3i 3 3i 3i 3 3 3 3 1 3 1 27i 3i 3i 27 3 1 2 3 27i i 9i i i 27 1 2 27i i 9 i 1 27 1 9 i 27 1 27 242 26 i 27 1 a ib : 3i 3 3 Question 10: Express the given complex number in the form Solution 10: 3 3 3 1 1 2 i 1 2 i 3 3 3 3 i i i 2 3 2 2 3 3 3 3 i i 8 2i 2 27 3 2 i 2i 3 8 4i i i 27 3 i 2 2 8 4i i 1 27 3 1 a ib : 2 i 3 3
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Class XI Chapter 1 - Sets Maths ___
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Class XI Chapter 2 - Relations and
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Class XI Chapter 3 - Trigonometric
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Page 75 and 76: Class XI Chapter 3 - Trigonometric
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Class XI Chapter 6 - Linear Inequal
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Class XI Chapter 7 - Permutation an
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Class XI Chapter 8 - Binomial Theor
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Class XI Chapter 9 - Sequences and
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Class XI Chapter 10 - Straight Line
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Class XI Chapter 11 - Conic Section
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Class XI Chapter 12 - Introduction
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Class XI Chapter 13 - Limits and De
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Class XI Chapter 14 - Mathematical
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Class XI Chapter 15 - Statistics Ma
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