Math, asked by tanu8254, 10 months ago

11. दो संख्याओं का औसत 7.5 हैं और उनकेगुणनफल का वर्गमूल 6 है। वे संख्याएं हैं.-​

Answers

Answered by IamIronMan0
0

Answer:

12 and 3

Step-by-step explanation:

let numbers x and y .

x + y = 15 \\  \sqrt{xy}  = 6 \implies \: xy =  36 \implies \: y =  \frac{36}{x}  \\ x +  \frac{36}{x}  = 15 \\  {x}^{2}  - 15x + 36 = 0 \\ x =  \frac{15 \pm \:  \sqrt{225 - 144} }{2}  =  \frac{15 \pm9}{2}  = 12 \: and \: 3

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