Solve your IGNOU Doubts

Question:

Explain the classification of chromatographic techniques using a suitable diagram.

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Question:

Using a suitable diagram how will you extract an organic compound present in aqueous layer using chloroform as the solvent.

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Question:

Discuss the principle of solvent extraction.

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Question:

Define determinate errors. Briefly describe different sources of determinate errors.

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Question:

Define and differentiate between accuracy and precision with the help of suitable examples.

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Question:

If the power series $sum_{n=1}^{infty }a_{n}: x^{n}$ converges uniformly in ]α, β[ then so does . $sum_{n=1}^{infty }a_{n}: (-x)^{n}.$ True or false? Justify.

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Question:

Show that the series $sum_{n=1}^{infty }frac{sin: n heta }{n}$ sin n n nθ does not converge uniformly on the interva. ]0,2 $pi$ [.

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Question:

Check whether the series $sum_{n=1}^{infty }frac{n^{2}: x^{5}}{n^{4}+x^{3}},xepsilon [0,alpha ]$ is uniformly convergent or not, where . α ∈ $mathbb{R}^{+}$ .

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Question:

Check whether the series $sum_{n=1}^{infty }frac{n2, x5}{n4+x3}, ,xeuro left [ 0,a ight ]$ n is uniformly convergent or not, where . + α ∈ $mathbb{R}^{+}$

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Question:

Show that the function f : $mathbb{R}$ → $mathbb{R}$ defined by f $left ( X ight )$ = 2x + 7 has an inverse by applying the inverse function theorem. Find its inverse also.