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Posted by Aman Chaudhary 6 years, 11 months ago
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Zahidahmad Zahidahmad Zahidahmad Zahidahmad 6 years, 10 months ago
Gourab Banerjee 6 years, 10 months ago
Posted by Paras Jadhav 6 years, 11 months ago
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Yogita Ingle 6 years, 11 months ago
3x + 2y = 29 .......... (i)
5x - y = 18 .......... (ii)
multiply equation (ii) by 2 and add in (i) , we get
3x + 2y = 29
+10x - 2y = 36
____________
13x=65
x = 65/13= 5
now put in (ii), we get
5(5) - y = 18
25 - y = 18
25 - 18 = y
7 = y
and x = 5
Posted by Swarnalee Goswami 6 years, 11 months ago
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Gaurav Seth 7 years ago
One of the main reasons being that the aluminium sheet is covered in a layer of aluminium oxide which protects it from the moist conditions.
This layer of aluminium oxide prevents the aluminium from coming into contact with oxygen or air.
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Kunal Nawariya 6 years, 7 months ago
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Yogita Ingle 7 years ago
The arrests of the national leaders Dr Saifuddin Kitchlew and Dr Satya Pal on 10th April 1919 in connection with the protests against the Rowlatt Act led to pervasive agitation among the people of Punjab. On 13th April 1919, i.e. Baisakhi day, people gathered in Jallianwala Bagh to protest against these arrests. The peaceful gathering was attended by adults and children. The military commander of Amritsar, General Dyer, came to the park with some soldiers and blocked the only entrance of the park. He then ordered the men to open fire. The firing lasted for 10 minutes and killed hundreds of people and wounded thousands. People were outraged over the massacre, and there were several strikes and clashes. Martial law was proclaimed in Punjab on 15th April 1919. Rabindranath Tagore expressed the pain and anger of the country by renouncing his knighthood.
Posted by Nithya Mohan 7 years ago
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Lokesh C S 6 years, 9 months ago
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Posted by 六 诸葛 7 years, 1 month ago
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Posted by Ria?? R 7 years, 1 month ago
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Gaurav Seth 7 years, 1 month ago
During young age freedom for Mandela meant a freedom on a personal level. The freedom to raise a family, and the freedom to earn a livelihood. After gaining experience the freedom meant a lot more to Nelson Mandela. It was a freedom for everybody. It was a freedom from fear and prejudice. Age and experience made his perspective more wide.
Posted by Hi Murali 7 years, 1 month ago
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Ram Kushwah 6 years, 7 months ago
The question must be like:
x3/a2 + y3/b2 + z3/c2=(x+y+z)3/(a+b+c)2
**************************************************************
Let x/a=y/b=z/c=k
then x=ak,y=bk,z=ck
Now RHS=(x+y+z)3/(a+b+c)2
=(ak+bk+ck)3/(a+b+c)2
=k3(a+b+c)3/(a+b+c)2
=k3(a+b+c)
=k3a+k3b+k3c
= (x/a)3*a + (y/b)3*b + (z/c)3*c
=RHS
=x3/a2 + y3/b2 + z3/c2
Posted by Gautam Kumar 7 years, 1 month ago
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Posted by Priyanshu Rawat 7 years, 1 month ago
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Ram Kushwah 6 years, 7 months ago
inclination=45
so m=tan 45=1
c=-1(given)
so equation y=mx+c
y=1*x-1
y=x-1
Posted by Yashabanta Thayal 7 years, 1 month ago
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Ram Kushwah 6 years, 7 months ago
Here height =50 m
base= 200m
tanθ=height/base=50/200=1/4=tan14
so angle of depression=90-14=76
Posted by Ajay Mahato 7 years, 2 months ago
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Aadhithya Prathaban 7 years ago
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Yogita Ingle 6 years, 11 months ago
5m - 3n = 19 ......... (i)
m - 6n = -7 ........... (ii)
Multiple (i) by 2 , we get
10m - 6n = 38........... (iii)
Subtract (iii) and (ii), we get
(10m - 6n)- (m - 6n) = 38 - (-7)
10m - 6n - m + 6n = 38 + 7
9m = 45
m = 5
Put m = 5 in (ii) we get
5 - 6n = -7
-6n = -7 - 5
-6n = -12
n = 2
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