" 5.If "bar(x)=25" and "z=25," then "M=.........

0.bar(25)=

2.bar(25) is

If bar(x)=(1,1,-1),bar(y)=(-1,2,2) and bar(z)=(-1,2,-1) then the unit victor perpendicular to both bar(x)+bar(y) and bar(y)-bar(z) is …………

bar(x),bar(y),bar(z) are non zero vectors. If (bar(x)""_(,)^(hat)bar(y))=(pi)/(2 and bar(z)=bar(x)+bar(y) , then ……..

If bar(x).bar(y)=bar(x).bar(z) ne 0 and bar(x)xx bar(y)=bar(x)xx bar(z)ne bar(0) and bar(x)ne bar(0) then …………..

Express 0.2bar(25) as a rational number.