C-11-Q087: If $\dfrac{a+b}{b+c} = \dfrac{c+d}{d+a}$, then—

C-11-Q087: If $\dfrac{a+b}{b+c} = \dfrac{c+d}{d+a}$, then— | প্রশ্ন করি

+

b

+

c

+

d

=

0

a + b + c + d = 0

If a+bb+c=c+dd+a\dfrac{a+b}{b+c} = \dfrac{c+d}{d+a}b+ca+b​=d+ac+d​, then—