Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Show that
L_{n+1}(x) = (2n+1-x)L_{n}(x) - n^2 L_{n-1}(x)

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Question:

For the following differential equation locate and classify its singular points on the x-axis
i) x^3 (x-1)y'' - 2(x-1)y' + 3xy = 0
ii) (3x+1)xy'' - (x+1)y' +2y = 0

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Question:

Use Frobenious method to find the series solution about x=0 of the equation
x(1-x)\frac{d^2y}{dx^2}-(1+3x)\frac{dy}{dx}-y = 0

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Question:

Show that f(x,y)=xy
i) satisfies a Lipschitz condition on any rectangle a \leq x \leq b and c \leq y \leq d ;

ii) satisfies a Lipschitz condition on any strip a \leq x \leq b and - \infty < y < \infty ;

iii) does not satisfy a Lipschitz condition on the entire plane.

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Question:

Indigenous Technological Knowledge (ITK)

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Question:

Water Use Efficiency

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Question:

Pond Lining

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Question:

Boarder Irrigation

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Question:

In-situ Water Harvesting

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Question:

What is domestic and industrial water conservation? Explain

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Question:

Explain drip irrigation method. Describe role of irrigation scheduling for maximizing irrigation efficiencies

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Question:

Define artificial groundwater recharge. Write advantages of artificial groundwater recharge. Enlist methods of artificial groundwater recharge.

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Question:

Water conservation is important for agriculture in present scenario. Justify the statement in your words

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Question:

Disinfection Process at household level

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Question:

Water budget

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Question:

Seepage Losses

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Question:

Evapotranspiration

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Question:

Runoff

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Question:

Define groundwater pollution. Describe the sources and impact of groundwater pollution.

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Question:

Explain the Rational method of peak runoff estimation. Write its assumptions

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Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★
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