A) ab = cd
B) ac = bd
C) bc = ad
D) None of these
Correct Answer: C
Solution :
[c] \[2b=a+c,c=\frac{2bd}{b+d}\] \[\Rightarrow 2bd=c(b+d)\] \[\Rightarrow (a+c)d=c(b+d)\] \[[as2b=a+c]\] \[\Rightarrow ad+cd=bc+cd\] \[\Rightarrow bc=ad\]You need to login to perform this action.
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