Keerthana
Posted on

यदि x = a – b, y = b – c, z = c – a, तो बीजीय व्यंजक का संख्यात्मक मान x3 + y3 + z3 - 3xyz होगा

a

a + b + c

b

0

c

4 (a + b + c)

d

3 abc

Answer : Option B
Explanation :

x + y + z = a – b + b – c + c – a = 0

∴ x³ + y³ + z³ –3xyz = 0

Rate This:
NaN / 5 - 1 votes
Profile photo for Dasaradhan Gajendra