The integral surface satisfying equation y(z / x) x(z / y) = x + y...

 

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The integral surface satisfying equation y(ôz / ôx) – x(ôz / ôy) = x² + y and passing through the curve x 1-t, y = 1 + t, z = 1 + f is (b) z = xy +(x² – y²)²18 (d) z = xy +(x² - y²)² /16 (a) z = xy +(x² - y²)/2 (c) z= xy+(x² - y²)² /4 The integral surface satisfying equation y(ôz / ôx) – x(ôz / ôy) = x² + y and passing through the curve x 1-t, y = 1 + t, z = 1 + f is (b) z = xy +(x² – y²)²18 (d) z = xy +(x² - y²)² /16 (a) z = xy +(x² - y²)/2 (c) z= xy+(x² - y²)² /4