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maw [93]
3 years ago
12

Use the identity (x2+y2)2=(x2−y2)2+(2xy)2 to determine the sum of the squares of two numbers if the difference of the squares of

the numbers is 5 and the product of the numbers is 6.
Enter your answer as a number, like this: 42
Mathematics
2 answers:
fomenos3 years ago
5 0

Answer:

The sum of the squares of two numbers whose difference of the squares of the numbers is 5 and the product of the numbers is 6 is <u>169</u>

Step-by-step explanation:

Given :  the difference of the squares of the numbers is 5 and the product of the numbers is 6.

We have to find the sum of the squares of two numbers whose difference and product is given using given identity,

(x^2+y^2)^2=(x^2-y^2)^2+(2xy)^2

Since, given the difference of the squares of the numbers is 5 that is (x^2-y^2)^2=5

And the product of the numbers is 6 that is xy=6

Using identity, we have,

(x^2+y^2)^2=(x^2-y^2)^2+(2xy)^2

Substitute, we have,

(x^2+y^2)^2=(5)^2+(2(6))^2

Simplify, we have,

(x^2+y^2)^2=25+144

(x^2+y^2)^2=169

Thus, the sum of the squares of two numbers whose difference of the squares of the numbers is 5 and the product of the numbers is 6 is 169

KIM [24]3 years ago
3 0

Answer:

(x²+y²)²  = 169

Step-by-step explanation:

We have given that

The difference of the squares of the numbers is 5.

x²-y² = 5

The product of the numbers is 6.  

xy = 6

We have to find  the sum of the squares of two numbers.

x²+y² = ?

We have given following formula:

(x²+y²)²  = (x²-y²)²+(2xy)²

(x²+y²)²  = (5)²+4(6)²

(x²+y²)²  = 25+4(36)

(x²+y²)²  = 25+144

(x²+y²)²  = 169 which is the answer.

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