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Stetch the graph of y = | x + 3 | and evaluate the area under the curve y = | x + 3 | above x - axis and between x = -6 to x = 0.
cbse
class12
modelpaper
2012
sec-c
q26
math
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Feb 5, 2013
by
thanvigandhi_1
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0
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Using integration, find the area lying above x - axis included, between the circle \( x^2+y^2 = 8x\) and the parabola \(y^2 = 4x\)
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Jan 2, 2013
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Sketch the graph of y=| x+3 | and evaluate$\Large \int\limits_{-6}^0\normalsize| x+3 |dx$
asked
Dec 17, 2012
by
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cbse
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modelpaper
2012
q26
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1
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Find the area of the origin enclosed between the two curves \( (x-6)^2+y^2=36\: and \: x^2+y^2=36\)
asked
Feb 8, 2013
by
thanvigandhi_1
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Sketch the graph of $ f(x) = \left\{ \begin{array}{l l}|x-2|+2, & \quad { x \leq 2} \\ x^2-2, & \quad { x > 2} \end{array} \right. $ Evaluate \( \int_0^4 f(x) dx \) What does the value of this integral represent on the graph?
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Feb 4, 2013
by
thanvigandhi_1
cbse
class12
modelpaper
2012
sec-c
q26
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0
votes
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Using integration, find the area of region enclosed between the circles \( x^2+y^2=4 \: and \: (x-2)^2+y^2=4.\)
asked
Jan 3, 2013
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cbse
class12
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sec-c
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Evaluate : \( \int_0^1 \: \sin^{-1} (x \sqrt{1-x} - \sqrt x \sqrt {1-x^2} ) dx, 0 \leq \: x \leq \: 1. \)
asked
Dec 29, 2012
by
thanvigandhi_1
cbse
class12
modelpaper
2012
sec-c
q26
math
0
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0
answers
A farmer has a supply of chemical fertilizer of type A which contains 10% nitrogen and 5% phosphoric acid, and type B which contains 6% nitrogen and 10% phosphoric acid. After testing the soil conditions of the field, it was found that atleast 14 kg of nitrogen and 14 kg of phosphoric acid is required for producing a good crop. The fertilizer of type A costs Rs.5 per kg and the type B costs Rs.3 per kg. How many kg of each type of the fertilizer should be used to meet the requirement at the minimum possible cost? Using L.P.P. solve the above problem graphically.
asked
Jan 31, 2013
by
thanvigandhi_1
cbse
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