Q4 of 256 Page 7

Evaluate the following:


Applying, R2→R2 – R1 and R3→R3 – R1 we get,




Taking (a – b) and (a – c) common we get,



= (a – b)(c – a)(b – c)


So, Δ = (a – b)(b – c)(c – a)


More from this chapter

All 256 →
2

Without expanding, show that the value of each of the following determinants is zero:

, where A, B, C are the angles of ΔABC.

 3

Evaluate the following:

 5

Evaluate the following:

 6

Evaluate the following: