If `alpha, beta,gamma` are lengths of the altitudes of atriangle ABC with area `Delta`, then `Delta^2/R^2(1/alpha^2+1/beta^2+1/gamma^2)=`

If alpha,beta,gamma , are lengths of the altitudes of a triangle ABC with area Delta , then Delta^2/R^2(1/alpha^2+1/beta^2+1/gamma^2)=

If alpha,beta,gamma are lengths of the altitudes of a triangle ABC with area Delta, then (Delta^(2))/(R^(2))((1)/(alpha^(2))+(1)/(beta^(2))+(1)/(gamma^(2)))=

If alpha,beta, gamma are the lengths of altitudes of Delta ABC , then alpha^-2+ beta^-2+ gamma^-2 =

If alpha, beta , gamma are the lengths of the altitudes of Delta ABC , " then " alpha ^(-2) +beta ^(-2) +gamma^(-2) =

If alpha, beta and gamma are the lengths of altitudes ABC and Delta be its area prove that : (1)/(alpha^(2))+(1)/(beta^(2)) + (1)/(gamma^(2)) = ((cot A + cot B + cot C))/(Delta)

If alpha, beta , gamma lengths of the altitudes of a triangle ABC, prove that alpha^(-2)+ beta^(-2) + gamma^(-2)=(1)/(Delta)( cot A+ cot B+cotC) , where Delta is the area of the triangle.

If alpha,beta,gamma are the lengths of the altitudes of Delta ABC , then cosA/alpha+cosB/beta+cosC/gamma=

IF alpha,beta,gamma are the lengths of the altitudes of Delta ABC , then 1/alpha+1/beta-1/gamma-(2ab)/((a+b+c)Delta)cos^2""C/2=

If alpha,beta,gamma are the lengths of the altitudes of Delta ABC, then (cos A)/(alpha)+(cos B)/(beta)+(cos C)/(gamma)=

If alpha, beta , gamma are the zeros of the polynomial x^(3) - px^(2) + qx - r then 1/(alpha beta) + 1/(beta gamma) + 1/(gamma alpha) = …………..