First slide

Methods of solving first order first degree differential equations

Question

$The solution of (6 x + 7 y - 4) d x + (7 x - 4 y + 3) d y = 0 is$

Moderate

A

$3 x^{2} + 7 x y - 2 y^{2} - 4 x + 3 y = c$
B

$6 x^{2} - 4 y^{2} + 7 x y - 4 x + 3 y = c$
C

$3 x^{2} + 14 x y - 4 y^{2} - 4 x + 3 y = c$
D

$6 x^{2} + 4 x - 4 y^{2} + 4 x + 3 y = c$

Solution

$G.E \Rightarrow 6 \int x d x - 4 \int y d y + 7 \int d (x y) - 4 \int d x + 3 \int d y = c$

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