1. (a2+b2-c2+2ab)/(a2-b2+c2+2ac)= কত

[16 th BCS Preliminary : 1994]

1. a+b+c

1

2. (a+b-c)/(a-b+c)

2

3. (a-b+c)/(a+b-c)

3

4. (a+b-c)/(a+b+c)

4
Answer
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