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Find the equations of the tangent and normal to the curve \( 16x^2+9y^2 = 144\) at \( (x_1, y_1)\) where \( x_1=2\: and \: y_1 > 0.\) Also, find the points of intersection where both tangent and normal cut the \( x\) - axis.
cbse
class12
modelpaper
2012
sec-c
q24
math
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Jan 9, 2013
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thanvigandhi_1
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Jan 30, 2013
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Feb 3, 2013
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Nov 28, 2012
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Feb 5, 2013
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Jan 11, 2013
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A wire of length 36 cm is cut into two pieces. One of the pieces is turned in the form of a square and the other in the form of an equilateral triangle. Find the length of each piece so that the sum of the areas of the two be minimum.
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