Question

Ex. 7. If x :y::y:z, prove that x: z=x: y.
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Answer 1

Answer:

Ex. 7. If x :y::y:z, prove that x: z=x: y.

x : y :: y : z

y

2

= xz

Answer 2

Answer:

Given: x:y::y:z

To prove: xz = xy

Step-by-step explanation:

x/y=y/z

xz=xy (by cross multiplication)

Hence,proved.