please answer this asps
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Answer:
None of this
Step-by-step explanation:
a+b+c:b+c+d:c+d+a:d+a+b=6:7:8:9
Now,
We will cancel
After cancellation
a:d:c:b=6:7:8:9
Now,
we will arrange the order
a:b:c:d=6:9:8:7
And in option
This option is not given
so ,
None of this
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