or
or
If , then find the value of ‘a’
So, x = 2ax+ ay+ az , y = ax+2ay+az, z = ax+ay+ 2az
Now,
x+y+z = 2ax+ ay+ az+ax+2ay+az+ax+ay+ 2az
or, x+y+z = 4ax+ 4ay+ 4az
or, x+y+z = 4a(x+y+z)
or,1 = 4a
so, a =
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