Math, asked by anjali332843, 9 months ago

If a, b, c, d are in proportion prove that:(5a+7b)(2c-3d)=(5c+7d)(2a-3b)

Answers

Answered by alwaysbettu2008

1

Answer:

Is it Ratio and Proportion?

Answered by RidhimaDwivedi

1

Step-by-step explanation:

try using componendo and divedendo

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