NCERT Class 12-Mathematics: Exemplar Chapter – 4 Determinants Part 6 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 6:

Answer:

We have,

Expanding along

Using the properties of determinants in Exercises 7 to 9, prove that:

Question 7:

Answer:

We have to prove,

Hence proved.

Question 8:

Answer:

We have to prove,

Hence proved.

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