Question

plz ans it as soon as possible....

Answer 1

The answer is option a
put 1 for first term
${1}^{2} - 2 \times 1 \\ 1 - 2 = - 1$
put 2 for second term
${2 }^{2} - 2 \times 2 \\ 4 - 4 = 0$
put 3 for third term
${3}^{2} - 2 \times 3 \\ 9 - 6 = 3$

Brainliest it if helpful