Math, asked by mdfarhanansari508, 5 hours ago

1. If a : b = c : d, prove that:
(i) 5a + 7b : 5a - 7b = 5c + 7d : 50 - 7d.

Answers

Answered by komolika442201

1

Answer:

ywjejjftgggijtiymhigmyk

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