Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

 Find the value of a for which f is continuous at x = -3.

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Question:

Let f and g be two functions defined on R by:

 

f(x) = x³-x²-8x+12

 

and

 

equation

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Question:

 For any two sets S and T, show that:

 

Image ignouassignments-ignouacademy-com--em-doubts-36463

 

Depict this situation in the Venn diagram.

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Question:

 Find the least value of a² sec² x + b² cosec²x, where a>0,b>0.

 

b) Evaluate:

 

equation

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Question:

 Express   equation  as a sum of partial fractions.

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Question:

If z-1+2i|= 4, show that the point z+ i describes a circle. Also draw this circle.

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Question:

The set R of real numbers with the usual addition (+) and usual multiplication (+) is given. Define () on R as:

 

equation

 

Is () associative in R? Is (.) distributive () in R? Check.

 



 

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Question:

 Find the domain of the function f given by equation

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Question:

 equation defines a binary operation on Q, the set of rational numbers.

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Question:

 

Every integrable function is monotonic.

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Question:

The greatest interger function is continuous on R.

 

c) equation

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Question:

The set {S∈ R: x²-3x+2=0} is an infinite set.

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Question:

Which of the following statements are true or false? Give reasons for your answer in the form of a short proof or a counter-example, whichever is appropriate.

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Question:

ई- नीलामी का महत्त्व स्पष्ट करें।

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Question:

ई- नीलामी का महत्त्व स्पष्ट करें।

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Question:

 एक आभासी मुद्रा की विषेशताएं क्या हैं?

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Question:

 

ई- कॉमर्स पर उभरती प्रौद्योगिकियों के प्रभाव पर एक संक्षिप्त टिप्पणी लिखें।

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Question:

 

पारम्परिक भुगतान और ई भुगतान के बीच अंतर बताएं।

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Question:

 

एच टी टी पी (HTTP) और एच टी टी पी एस (HTTPS) के बीच अंतर बताएं।

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Question:

एन ई एफ टी (NEFT), आर टी जी एस (RTGS) और आई एम पी एस (IMPS) में क्या अंतर है?

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