Question

If a+b=3and about =2 finda^2+ b^2

Answer 1

Answer:

5

Step-by-step explanation:

a+b=3

ab=2

By trial and error method, a=2,b=1

substituting the values of a and b in (a^2 + b^2),

(2^2 + 1^2)= 4+1=5

Hope it helps!

Answer 2

Answer:

a^2+b^2=13

Step-by-step explanation:

a+b=3,a*b=2

a^2+b^2=(a+b)^2+2ab

=(3)^2+2*2

=9+4

=13

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