Let `alpha and beta` be two real roots of the equation `5 cot ^(2) x- 3 cot x-1=0,` then `cot ^(2)(alpha + beta)=`

Let cot alpha and cot beta be two real roots of the equation 5 cot ^(2) x- 3 cot x-1=0, then cot ^(2)(alpha + beta)=

Let alpha and beta be two real roots of the equation 5cot^2x-3cotx-1=0 , then cot^2 (alpha+beta) =

Let alpha, beta be two real roots of the equation cot ^ 2 x - 2 lamda cot x + 3 = 0 , lamda in R . If cot ( alpha + beta ) = (1)/(2) , then value of lamda is :

Let alpha, beta be two real roots of the equation cot ^ 2 x - 2 lamda cot x + 3 = 0 , lamda in R . If cot ( alpha + beta ) = (1)/(2) , then value of lamda is :

Let alpha, beta be two real roots of the equation cot ^ 2 x - 2 lamda cot x + 3 = 0 , lamda in R . If cot ( alpha + beta ) = (1)/(2) , then value of lamda is :

Let alpha, beta are the roots of the equation x^(2)+x+1=0 , then alpha^3-beta^3

If alpha and beta are the roots of the equation x^(2)+5x-49=0, then find the value of cot(cot^(-1)alpha+cot^(-1)beta)

If alpha,beta are the roots of the equation cot^(-1)x-cot^(-1)(x+2)=15^(@) then the value of -(alpha+beta) is