Question

if a - b = 2 and ab = 3 then a² + b2 =? answer ..​

Answer 1

Answer:

10

Step-by-step explanation:

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

(2)^2= a^2+b^2-2*3

4=a^2+b^2-6

10=a^2+b^2

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