if ab=8and a+b=6 than the value of (a^2+b^2 ) is
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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
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Answer:
a^2 + b^2 = 20
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