Question

If multiply is 122 and the sum of two number is 12.find the number

Answer 1

Answer:

Please Check the Question After you Wrote

Step-by-step explanation:

Let two number is x and y

According to Question

xy=122

(x+y)=12

We know that

(x+y)²= x²+y²+2xy = x²+y²-2xy+4xy = (x-y)²+4xy

Putting Values

12²=(x-y)²+4×122

=>144= (x-y)²+488

(x-y)²=144-488=Negative Number So

Square root of -ve Number is unfindable (If i=√(-1) is not applicable)

So xy has another value

* x-y= @

x+y=12

solve this x and y by

adding this Equation find the value of x

enter the value of x on either equation find y

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