UPSC CDS 2 2023 Math Paper

Question Numbers: 37-38
Consider the following for the next items that follow:
Let p = x4 - y2z2, q = y4 - z2x2, r = z4 - x2y2.

Question : 37 of 100

Marks: +1, -0

What is px2 + qy2 + rz2 equal to ?

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