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Doubts and Solutions

CBSE - XII Commerce - Mathematics

Integration of 1/(x²+a²)(x²+b²)

Asked by Rashi 22nd February 2018, 11:04 PM
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CBSE - XI Science - Chemistry

describe the hrybridisation in ethane ,methane,ethene,ethyne,co2,o2briefly.explain with diagram.

Asked by hrushikesh.barik 22nd February 2018, 10:22 PM
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CBSE - XI Science - Biology

describe the  working and function of human heart briefly.(long question carring 10 marks)

Asked by hrushikesh.barik 22nd February 2018, 10:19 PM
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CBSE - XII Science - Physics

Dera sir, please explain the displacement method to find the focal length of the convex lens in detail

Asked by modi72879 22nd February 2018, 10:03 PM
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ICSE - X - Mathematics

The 1st and 8th term of a GP are 4 and 512 respectively. Find: (i) the common ratio (ii) the sum of its first 5 terms

Asked by sweetusk2013 22nd February 2018, 9:57 PM
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ICSE - IX - Physics

When a piece of stone is immersed in water,120 ml water flows ut from the vessel. a.what is the weight of stone in water? b.what is the mass of the stone in water? c.what is the density of the stone?

Asked by rifa 22nd February 2018, 9:47 PM
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CBSE - X - Mathematics

In the given figure,OB is perpendicular bisector of DE and angles A is right angle. Prove that 1/OA + 1/OB = 2/OC

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Asked by prabal 22nd February 2018, 9:35 PM
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ICSE - X - Mathematics

I want to download icse 2000 maths solved board paper  

Asked by SAMAR 22nd February 2018, 9:03 PM
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CBSE - X - Mathematics

Non Occurance of any event is 3:4. What is the probability of Occurance of this event?

Asked by manasvi.gopani 22nd February 2018, 8:55 PM
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CBSE - X - Chemistry - Carbon and Its Compounds

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Asked by prabal 22nd February 2018, 8:10 PM
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