1 A 1 B 1 C 1 D 1 E 1 F 1 G 1 H 1 I 1 J

Tamil Nadu Board - Math

Exercise 3.1

1 2 3 4 5 6 7 8 9 10

Exercise 3.2

1 A 1 B 1 C 1 D 2 A 2 B 2 C 2 D 2 E 2 F

Exercise 3.3

1 A 1 B 1 C 1 D 1 E 1 F 1 G 1 H 2 A 2 B 2 C 2 D 2 E 2 F 2 G 2 H

Exercise 3.4

1 A 1 B 1 C 1 D 1 E 1 F 2 3

Exercise 3.5

1 A 1 B 1 C 1 D 1 E 1 F 1 G 1 H 1 I 1 J 1 K 1 L

Exercise 3.6

1 A 1 B 1 C 1 D 2 A 2 B 2 C 2 D 2 E 2 F 2 G 1 H 2 I 2 J 3 A 3 B 3 C 3 D

Exercise 3.7

1 2 3 4 5 6 7 8 9 10

Exercise 3.8

1 A 1 B 1 C 1 D 2 A 2 B 2 C 2 D 2 E 2 F

Exercise 3.9

1 A 1 B 1 C 1 D 1 E 1 F 1 G 1 H 1 I 1 J 1 K 1 L

Exercise 3.10

1 2 A 2 B 2 C 2 D 2 E 2 F 2 G

Exercise 3.11

Exercise 3.12

1 A 1 B 1 C 1 D 1 E 1 F 2 A 2 B 2 C 2 D 2 E 2 F

Exercise 3.13

1 A 1 B 1 C 1 D 2 A 2 B 2 C 2 D

Exercise 3.14

1 A 1 B 1 C 1 D 1 E 1 F 1 G 1 H 1 I 1 J

Exercise 3.15

1 A 1 B 1 C 1 D 1 E 1 F 2 A 2 B 2 C 2 D 2 E 2 F 2 G 2 H

Exercise 3.16

1 2 3 4 5 6 7 8 9 10

Exercise 3.17

1 A 1 B 1 C 1 D 1 E 1 F 2 A 2 B 2 C 2 D 3 4 5 6 7

Exercise 3.18

1 A 1 B 1 C 1 D 2 3 4 5 6 7 8 9 10 11 12

Exercise 3.19

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Q. 1 B5.0( 1 Vote )

Solve the followi

Class 10th Tamil Nadu Board - Math 3. Algebra

Answer :

3x² – 5x –12 = 0

= 3x² – 9x + 4x – 12 = 0

= 3x (x – 3) + 4(x – 3) = 0

= (3x + 4) (x – 3) = 0

3x + 4 = 0 or x –3 = 0

3x = –4 or x = 3

or x = 3

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