Question

please answer this ..............​

Answer 1

Answer:

a²+b²+c²+ab+bc+ca

substitue 1 for a, 2 for b, 3 for c

1²+2²+3²+(1×2)+(2×3)+(1×3)

1+4+9+2+6+3

=25

Answer 2

Answer:

hey mate

Step-by-step explanation:

here is your answer

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