Question

if ab=8and a+b=6 than the value of (a^2+b^2 ) is​

Answer 1

Answer:

a+b= 6

ab=8

a=6-b......1 equation

substitute a value in any of the given value on top

(6-b)*b=8

6b-b^2=8

b^2-6b+8=0

b^2-4b-2b+8=0

b(b-4)-3(b-4)=0

there fore b is equal to 4 or 3

then a is equal to 2

there fore answer is 20

Answer 2

Answer:

a^2 + b^2 = 20

Step-by-step explanation: