Question
If integrating factor of x(1−x2)dy+(2x2y−y−ax3)dx=0 is e∫Pdx, then P is equal to
Answer: Option D
:
D
x(1−x2)dy+(2x2y−y−ax3)dx=0dydx+(2x2−1)x(1−x2)y=ax2(1−x2),∴P=2x2−1x(1−x2).
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D
x(1−x2)dy+(2x2y−y−ax3)dx=0dydx+(2x2−1)x(1−x2)y=ax2(1−x2),∴P=2x2−1x(1−x2).
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