RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 69 of Exercise 10A

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69

Solve each of the following quadratic equations:

Given:



taking - 1 with both terms



taking LCM



taking common (a - x - b)



taking LCM


(a - x + b)[2x - (a + b)] = 0


(a - x + b) = 0 or [2x - (a + b)] = 0



Hence the roots of equation are


Chapter Exercises

Exercise 10A
Exercise 10B
Exercise 10C
Exercise 10D
Exercise 10E
Exercise 10F

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Which of the following are quadratic equations in x?

x2 - x + 3 = 0
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Which of the following are quadratic equations in x?
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Which of the following are the roots of 3x2 + 2x - 1 = 0 ?

(i) - 1 (ii) 1/3 (iii) –1/2
3

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13

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15

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18

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19

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20

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21

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22

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23

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24

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25

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26

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27

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29

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30

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31

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32

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33

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34

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Solve each of the following quadratic equations:
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49

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50

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52

Solve each of the following quadratic equations:
53

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54

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55

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56

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57

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58

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60

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61

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62

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63

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64

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65

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66

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67

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68

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69

Solve each of the following quadratic equations:
70

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71

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72

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