Question

please help me this question?​

Answer 1

Answer:

30

Step-by-step explanation:

Here a=2,b=3,c=1

a^2+3b^2-c^2

=(2×2)+3(3×3)-(1×1)

=4+(3×9)-1

=4+27-1

=(4+27)-1

=31-1

=30

Answer 2

Answer:

Hope it's helpful to you

Step-by-step explanation:

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