Question

a^2 + B^2, if a + b = 10, a - b = 2​

Answer 1

Step-by-step explanation:

a

2

+b

2

=(a+b)

2

−2ab [Substituting a+b=10,ab=20]

answer 10-10=0

Answer 2

Answer:

${a}^{2} + {b}^{2} + 20$

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