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Gaurav Seth 5 years, 4 months ago
the given cubic polynomial is:
product of its zeroes =
let the third zero be a.
thus the third zero is 3/2.
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Anupama ?? 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
(i) Large scale development projects like river valley projects have submerged large tracts of forest. For instance, Narmada Sagar project in M.P. would inundate 40,000 hectares of forest.
(ii) Mining is another important factor for depletion of flora and fauna.
(iii) Major factors behind depletion of flora and fauna are grazing and fuel-wood collection.
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Gaurav Seth 5 years, 4 months ago
Everything available in our environment which can be used to satisfy our needs, is called a resource. It should be technologically accessible, economically feasible and culturally acceptable. Only then, it can be termed as a 'Resource'.
Posted by Sanika Walimbe 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
| Meaning | Economic Growth is the positive change in the real output of the country in a particular span of time. | Economic Development involves rise in the level of production in an economy along with the advancement of technology, improvement in living standards and so on. |
| Concept | Narrow | Broad |
| Scope | Increase in the indicators like GDP, per capita income etc. | Improvement in life expectancy rate, infant mortality rate, literacy rate and poverty rates. |
| Term | Short term process | Long term process |
| Applicable to | Developed Economies | Developing Economies |
| How it can be measured? | Upward movement in national income. | Upward movement in real national income. |
| Which kind of changes are expected? | Quantitative changes | Qualitative and quantitative changes |
| Examples | GDP, GNP | HDI, Per capita Income, Industrial Development |
Posted by Geeta Jadav 5 years, 4 months ago
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Riya ? 5 years, 4 months ago
Gaurav Seth 5 years, 4 months ago
please- potassium
send- sodium
cats- calcium
monkey- magnesium
and- aluminum
zebras- zinc
in- iron
their- tin
lovely- lead
happy- hydrogen
cages- copper
made of - mercury
silver & - silver
gold - gold
Gaurav Seth 5 years, 4 months ago
" Kedar Nath Ca Mali Aloo Zara Fike Sne Pkata Hai Cyuki Har taraf Alag Auloo Pdta hai "
1) Kedar - K - Potassium
2) Nath - Na - Sodium
3) Ca - Ca - Calcium
4) Mali - Mg - Magnesium
5) Aloo - Al - Aluminium
6) Zara - Zn - Zinc
7) Fike - Fe - Iron
8) Se - Sn - Tin
9) Pkata - Pb - Lead
10) Hai - H - Hydrogen
11) Cyuki - Cu - Copper
12) Har - Hg - Mercury
13) Alag - Ag - Silver
14) Auloo - Au - Gold
15) Pdta - Pt - Platinum
Posted by Geeta Jadav 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
The oxides of a metal are basic in nature or in other words they react with acids to form salt and water. In the case of non-metals, they are acidic in nature to form acids when they dissolve in water. Sulphur-dioxide dissolved in water can be tested with litmus.
SO2+2H2O→H2SO4+2H.
Sulphuric acid is acid that turns blue litmus to red.
Posted by Sanika Walimbe 5 years, 4 months ago
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Gaurav Kumar 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
NCERT Solutions for Class 10 Maths Exercise 1.1
3. An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march?
Ans. We have to find the HCF (616, 32) to find the maximum number of columns in which they can march.
To find the HCF, we can use Euclid’s algorithm.
The HCF (616, 32) is 8.
Therefore, they can march in 8 columns each.
<hr />NCERT Solutions for Class 10 Maths Exercise 1.1
4. Use Euclid’s division lemma to show that the square of any positive integer is either of form 3m or 3m + 1 for some integer m. [Hint: Let x be any positive integer then it is of the form 3q, 3q + 1 or 3q + 2. Now square each of these and show that they can be rewritten in the form 3m or 3m + 1.]
Ans. Let a be any positive integer and b = 3.
Then a = 3q + r for some integer q ≥ 0
And r = 0, 1, 2 because 0 ≤ r < 3
Therefore, a = 3q or 3q + 1 or 3q + 2
Or,
Where 
are some positive integers.
Hence, it can be said that the square of any positive integer is either of the form 3m or 3m + 1.
<hr />NCERT Solutions for Class 10 Maths Exercise 1.1
5. Use Euclid’s division lemma to show that the cube of any positive integer is of the form 9m, 9m + 1 or 9m + 8.
Ans. Let a be any positive integer and b = 3
a = 3q + r, where q ≥ 0 and 0 ≤ r < 3
\ a = 3q or 3q + 1 or 3q + 2
Therefore, every number can be represented as these three forms.
We have three cases.
Case 1: When a = 3q,
Where m is an integer such that m =3q3
Case 2: When a = 3q + 1,
Where m is an integer such that 
Case 3: When a = 3q + 2,
Where m is an integer such that 
Therefore, the cube of any positive integer is of the form 9m, 9m + 1, or 9m + 8.
Posted by Gurpreet Singh 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
Forward the power button moves you forward a page it only works if you have previously used the back button the home button is used to return user to the default web page the same page that loads when the browser is first opened
Home button Loads predefined home page. You can select any page as browser's home by clicking on tools menu and selecting options.
Posted by Bipin Chandra Murmu 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
Indian Railways
<th colspan="2">Overview</th>| Electrification | 39,866 kilometres (24,772 mi) as of 1st April 2020 |
| Length | 68,155 kilometres (42,350 mi) (route) 95,981 kilometres (59,640 mi) (running track) 123,542 kilometres (76,765 mi) (total track) as of 1st April 2020 |
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Sahil Kumar 5 years, 4 months ago
1Thank You