The value of 1/(r(1)^(2))+1/(r(2)^(2))+1...

The value of `1/(r_(1)^(2))+1/(r_(2)^(2))+1/(r_(2)^(3))+1/(r^(2))`, is

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If r,r_(1) ,r_(2), r_(3) have their usual meanings , the value of 1/(r_(1))+1/(r_(2))+1/(r_(3)) , is

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VMC MODULES ENGLISH-PROPERTIES OF TRIANGLE-Level - 2

If alpha, beta and gamma are the lengths of altitudes ABC and Delt...
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Prove the questions a(r r(1) + r(2)r(3)) = b(r r(2) + r(3) r(1)) = ...
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The value of 1/(r(1)^(2))+1/(r(2)^(2))+1/(r(2)^(3))+1/(r^(2)), is
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In any Delta ABC, show that cos A+ cos B+ cos C = (1+ (r )/(R )).
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Prove that (r(2) + r(3))/(1 + cos A) = (r(3) + r(1))/(1 + cos B) =...
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If the lengths of the perpendiculars from the vertices of a triangle A...
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Prove that the distance of the incentre of Delta ABC from A is 4R si...
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The sides of a triangle are three consecutive natural numbers and its ...
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If A, A(1), A(2), A(3) are the areas of the inscribed and escribed of ...
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If in a triangle, (1-(r(1))/(r(2))) (1 - (r(1))/(r(3))) = 2, then the ...
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In a triangle Delta ABC, prove the following : 2 abc cos.(A)/(2) co...
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If the angle opf a triangle are in the ratio 1:2:3, then show that the...
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If a cosA=b cos B, then prove that either the triangle is isosceles or...
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If in Delta ABC, c(a+b) cos ""1/2 B=b (a+c) cos ""1/2 C, the triangle ...
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Let A, B be two points on the bank of a straight river, and C, D point...
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In the ambiguous case, it two triangles are formed with a, b, A, then ...
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If x=2/3 and x=-3 are the roots of the equation a x^2+7x+b=0, find the...
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Statement I In a Delta ABC, if a lt b lt c and r is inradius and r(1) ...
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Statement I If the sides of a triangle are 13, 14 15 then the radius o...
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