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Class 12-science NCERT Solutions Maths Chapter 4 - Determinants

Determinants Exercise Ex. 4.1

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Determinants Exercise Ex. 4.2

Solution 1

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Determinants Exercise Ex. 4.3

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Determinants Exercise Ex. 4.4

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9

Solution 10

Solution 11

Solution 12

Solution 13

Solution 14

Solution 15

Solution 16

Solution 17

Solution 18

Determinants Exercise Ex. 4.5

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9

Solution 10

Solution 11

Solution 12

Solution 13

Solution 14

Solution 15

Solution 16

x = 5, y = 8 and z = 8

Hence, the cost of onion per kg is Rs. 5, the cost of wheat per kg is Rs. 8 and the cost of rice per kg is Rs. 8.

Determinants Exercise Misc. Ex.

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9

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