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Competitive Stats
Q45Section II (Mathematics)45 of 145

A product pqpq of derivatives makes equation (ii) non-linear

Consider the first order PDEs (i) yp−xq=xyz+xyp-xq=xyz+x and (ii) (x2+z2)p−xyq=pq(x^2+z^2)p-xyq=pq.

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