UPSC CDS 2 2023 Math Paper

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Question : 74 of 100

Marks: +1, -0

If p=‌

a2

(b−a)(c−a)

, q=‌

b2

(c−b)(a−b)

, r=‌

c2

(a−c)(b−c)

, then what is (p + q + r)² equal to?

9
4
1
0

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