CHSL 21 26-05-2022 Shift 3

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CHSL 21 26-05-2022 Shift 3

Question 1

If a = 2022, b = 2021 and c = 2020, then value of a² + b² + c² – ab – bc – ca is:

यदि a = 2022, b = 2021 और c = 2020 है, तो a² + b² + c² – ab – bc – ca का मान ज्ञात कीजिए।

Options

A

4

B

1

C

2

D

3

Solution:

Correct Answer:

D

3

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