Math, asked by Anonymous, 9 months ago

Pls answer this question.

Attachments:

Answers

Answered by sadiya025

1

Answer:

a:b::c:d

Step-by-step explanation:

1/b + 1/d =2/c (LCM of 1/b and 1/d)

d+b/bd =2/c

d+b = 2bd/c

2b =c(d+b)/d = cd+ cb /d = c + cb/d

Therefore 2b = c + cb/d

Also 2b = a+c (given)

Thus c+cb/d = a+c

cb/d= a

ad= cb

a/b= c/d

Hence a:b::c:d

Previous Question

Next Question

Similar questions

English, 4 months ago

bird cannot fly as aeroplane (turn into comparative degree)...

English, 4 months ago

Marathi nibandh on mazha dhey ( doctor)...

Math, 4 months ago

Angle PQR is formed by segments PQ and QR on the following coordinate grid: A coordinate grid is shown from positive 6 to negative 6 on the x-axis and from positive 6 to negative 6 on the y-axis. A line segment PQ is shown with P as ordered pair negative 1, negative 1 and Q as ordered pair negative 5, negative 4. Another line segment QR is shown with R as ordered pair negative 1, negative 4.

English, 9 months ago

Change it into Active Voice a.The car was repaired by Sonu. b.Recently the work has been done by John.

English, 9 months ago

expand the theme on when there is a will there is a way...

English, 11 months ago

Letter to the editor about the disruption of water supply in your locality...

English, 11 months ago

Letter for changing of old water supply connection to new line...

English, 11 months ago

Letter to tourism minister on exploitation of tourists by locals...