The third proportional to (x2 - y2) and (x - y) is:  

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SSC CGL 2023 Tier-I Official Paper (Held On: 18 Jul 2023 Shift 1)
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  1. (x - y)
  2. (x + y)

Answer (Detailed Solution Below)

Option 2 :
vigyan-express
Free
PYST 1: SSC CGL - General Awareness (Held On : 20 April 2022 Shift 2)
25 Qs. 50 Marks 10 Mins

Detailed Solution

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Given:

First number (a) = (x2 - y2)

Second number (b) = (x - y)

Formula used:

Third proportional = {2nd number (b)}2/first number (a)

(x2 - y2) = (x - y) × (x + y)

Calculation:

Third proportional = (x - y)2/(x2 - y2)

⇒ {(x - y) × (x - y)}/{(x - y) × (x + y)} 

⇒ 

∴ The correct answer is .

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