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The sum of 2 numbers ia …

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The sum of 2 numbers ia 1000 and difference between their square is 256000.find the numbera
  • 2 answers

Gaurav Seth 3 years, 9 months ago

Let’s assume the two numbers be x and y. And also assume that x is greater than or equal to y. 

So as per the question, we can write the sum of the two numbers as 

x + y = 1000 ……….. (i) 

Again it’s given that, the difference between the squares of the two numbers, thus writing it 

x2 – y2 = 256000

⇒ (x + y) (x – y) = 256000

⇒ 1000(x - y) = 256000 

⇒ x – y = 256000/1000 

⇒ x – y = 256 ………….. (ii) 

By solving (i) and (ii), we can find the two numbers 

On adding the equations (i) and (ii), we get; 

(x + y) + (x - y) = 1000 + 256 

⇒ x + y + x – y =1256 

⇒ 2x = 1256 

⇒ x = 1256/ 2 

⇒ x = 628 

Now, putting the value of x in equation (i), we get 

628 + y =1000 

⇒ y = 1000 – 628 

⇒ y = 372 

Hence, the two required numbers are 628 and 372.

Yogesh Meena 3 years, 9 months ago

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