Partial differential equation formed from the equation z=(x+a)(y+b) is: (i) z=p+q    (ii) z=p+q+k    (iii) z=pq    (iv) None of these

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pramodpandey | College Teacher | (Level 3) Valedictorian

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differentiate z w.r.t ,x and y partially







Thus part (iii) is correct.

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