Question

If the sum of two numbers is 7 and the sum of their cubes is 133, find the sum of their squares.

Answer 1

Answer:

5 and 2

Step-by-step explanation:

5+2=7

(5*5*5)+(2*2*2)=133

Answer 2

Answer:

Hey here u go ( pls mark as brainliest army)

Step-by-step explanation:

Let two number be a and b,

According to question,we get,

a+b=7

a

3

+b

3

=133

Now,

(a+b)

3

=a

3

+b

3

+3ab(a+b)

=>7

3

=133+3ab(7)

=>

21

343−133

=ab

=>ab=

21

210

=>ab=10

Now,

(a+b)

2

=a

2

+b

2

+2ab

=>7

2

=a

2

+b

2

+2(10)

=>a

2

+b

2

=49−20

=>a

2

+b

2

=29