1.The value of aaa for which the system of equationsa3x+(a+1)3y+(a+2)3z=0a^3x + (a+1)^3y + (a+2)^3z = 0a3x+(a+1)3y+(a+2)3z=0ax+(a+1)y+(a+2)z=0ax + (a+1)y + (a+2)z = 0ax+(a+1)y+(a+2)z=0x+y+z=0x + y + z = 0x+y+z=0has a non-zero solution isa.111b.000c.−1-1−1d.None of theseLogin to continueOnly logged in users canattempt or see the solution.