Question

if (a²+c²):(ab+cd)=(ab+cd):(b²+d²)then prove that a:b=c:d
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Answer 1

Answer:

Yes they both are equal

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

Let AB=x

BC=y

& CD=z

we are given  

AC=BD⇒AB+BC=BC+CD

∴x+y=y+z

x=z

i.e., AB=CD

Hence it prove that AB is equal to CD.