Question

(iii) The value of a for which system of equation
a’x+(a +1)’y+(a + 2) z=0 ax +(a +1)y+(a +2)z=0 and x+y+z=0 has non zero Soln. is
(a) 0
(b) -1
(c) 1
(d) 2

Answer 1

i think option A is correct