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Rationalize the denominator of 1/√2

Rationalize the denominater of 1/√2

A cottage industry produces a certain number of articles in a day. It was observed on a particular day that the cost of production of each article in rupees was 3more than thetwice number of articles produced on that day. If the total cost of production  on that day was 90 find the number of articles produced and the cost of each article

Hindi kaise karen 

Write one example each of a'' sure event and impossible event 

2/3+54/8

#LP: A tent is in the shape of a cylinder curmounted by a conical top. If the height and diameter of the cylindrical part are 2.1 m and 4 m respectively, and the slant height of the top is 2.8 m, find the area of the canvas used for making the tent. Also, find the cost of the canvas of the tent at the rate of 500 per m². (Note that the base of the tent will not be

covered with canvas)

[CBSE 2016

= \frac{(7 + 3\sqrt{5})^2}{49 - 45} = \frac{49 + 45 + 42\sqrt{5}}{4} = \frac{94 + 42\sqrt{5}}{4} = \mathbf{\frac{47 + 21\sqrt{5}}{2}}

Define Triangular numbers with example 

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H

Find rational number between 2/5 and 3/4

What is the perimeter of rectangle whose length and breadth is 3.8 cm and 23 cm with example

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Represent 1/2 on the number line