Math, asked by Anonymous, 11 months ago

Pls solve question no. 6.

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Answers

Answered by hemanth1973
1

Answer:

the answer is very simple

Step-by-step explanation:

given

a+c=2b

c=2b-a

1/b-1/d=2/c

b+d/db=2/c

c(b+d)=2bd

(2b-a)(b+d)=2db

2b(b+d)-a(b+d)=2bd

2b*b+2bd-ab+ad=2bd

2b*b-ab+ad=0

2b*b-a(b+d)=0

according to proportionality constant we get

a:b::c:d

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