harilaxmi1984
harilaxmi1984 harilaxmi1984
  • 16-08-2021
  • Mathematics
contestada

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

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Bromine67
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

Answer Link
alijamalsalahuddin20 alijamalsalahuddin20
  • 16-08-2021
Answer: So a^2 + b^2=5
Answer Link

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