What is the value of a2 + b2 + c2 − 2ab - Exam Yatra

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What is the value of a²+ b²+ c²− 2ab − 2bc + 2ca ?

[SSC CHSL 14th March 2023 Shift-1 With Answers]

A

(a−b−c)²

B

(a+b−c)²

C

(a+b+c)²

D

(a−b+c)²

EXPLANATION

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