biscuit2243 biscuit2243

15-06-2022
Mathematics

contestada

Find the solution
a2-b2=9
a.b=3
a+b=?

Respuesta :

antoniogordon223 antoniogordon223

15-06-2022

Answer:

a

2

=9a+b

2

Step-by-step explanation:

Answer Link

surjithayer surjithayer

15-06-2022

Answer:

Step-by-step explanation:

(a²+b²)²=(a²-b²)²+4a²b²=(a²-b²)²+4(ab)²=9²+4×3²=9²(1+4)

a²+b²=3√5

(a+b)²=a²+b²=2ab=3√5+2(3)=3(2+√5)

a+b=√3√(2+√5)

Answer Link

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