harilaxmi1984 harilaxmi1984

16-08-2021
Mathematics

contestada

if (a+b)=3 and ab=2, find the value of a2+b2

Respuesta :

Bromine67 Bromine67

16-08-2021

Answer: so a^2 + b^2 = 5

Step-by-step explanation:

(a+b) = 3

ab = 2

so

(a+b)^2 = 3^2

a^2 + 2ab + b^2 = 9

or, a^2 + 2*2 + b^2 = 9

or, a^2 + 4 + b^2 = 9

or, a^2 +b^2 = 9-4 = 5

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alijamalsalahuddin20 alijamalsalahuddin20

16-08-2021

Answer: So a^2 + b^2=5

Answer Link

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