UPSC CDS II 2025 Mathematics Paper

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Question : 21 of 100

Marks: +1, -0

What is ‌

(a+b)2.

(c−a)(c+a+b)

+‌

(a+b)c

c2−bc−a2−ab

−‌

(a+2b+c)

2(c−a)

a≠b,b≠c,c≠a equal to?

-1/2
0
1/2
1

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