What is the value of a2 + b2 , 4c2 − ab

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What is the value of a²+ b², 4c²− ab − 2bc − 2ca ) ( a + b + 2c ) ?

[SSC CHSL 13th March 2023 Shift-1 With Answers]

A

a³+b³+8c³−8abc

B

a³+b³+6c³−4abc

C

4a³+b³+8c³−9abc

D

a³+b³+8c³−6abc

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