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Posted by K. Roshni Patra 4 years, 7 months ago (9930675)
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Account Deleted 4 years, 7 months ago (7769725)
{tex}Speed = {Distance \over time}{/tex}
{tex}Speed= {40 \over 2} = 20 km/hr{/tex}
{tex}1km/hr = {1000 \over 3600} m/sec = {5 \over 18} m/sec {/tex}
{tex}Speed = {20 * {5 \over 18}} m/sec =5.55 m/sec{/tex}
Answer
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I guess you want to find the Particular Solution of the equation {tex}x(x^2-1) {dx \over dy} = 1 \ at\ y =0, x=2{/tex}
{tex}It \ can \ be\ written \ as => x(x^2-1) dx = dy{/tex}
=> {tex}(x^3-x) dx =dy{/tex}
On Integrating both side
{tex}{x^4 \over 4 }- {x^2 \over 2} = y{/tex} + c ....................1
Put x=2 & y=0 in equation 1
c = 2
Now put value of c in 1
{tex}{x^4 \over 4 }- {x^2 \over 2} = y + 2{/tex}
This is the Particular Solution of given differential equation.
Equation 1 is the General Solution of given differential equation.
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- It considers only income and not other aspects such as literacy, health, life expectancy, etc.
- World Development Report (WDR) only tells about income and not how it is distributed among the citizens.
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K. Roshni Patra 4 years, 7 months ago (9930675)
1 Thank You