Math, asked by prachiseth1406, 4 months ago

The value of the expression: a² + b² + c² − ab − bc − ca for a = 1; b= 2 and c= -1 is: *

A) 7
B) -7
C) 14
D) -14

Answers

Answered by rajendrawase2020

1

Answer:

ffsassdfgdfjdhfjfjwryuddgyrryteguggdfhhfghjrr

Step-by-step explanation:

gffdfhiissfuurgdrgifeyirr67889jutrwafh

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