Question

16. (a+b): (a - b) = 5:3, then find (a? + b2)​

Answer 1

Step-by-step explanation:

a+b=5

a−b=3

−−−−−

2a=8

a=

2

8

a=

4

a−b=3

4−b=3

4−3=b

1

=b

a

2

−b

2

=4

2

−1

2

=16−1

=

15

Answer 2

Answer:

34x^2

Step-by-step explanation:

• a = 5x

• b= 3x

⇒ (a^2+b^2)

⇒ (5x)^2+(3x)^2

⇒ 25x^2+9x^2

⇒ (25x+9x)^2

⇒ 34x^2