" 2.If "A=[[alpha,beta],[gamma,d]]" then adj A is equal to- "

If A=[[alpha ,beta],[ gamma , -alpha]] is such that A^2=I , then A) 1+alpha^2+beta gamma=0 B) 1-alpha^2+beta gamma=0 C) 1-alpha^2-beta gamma=0^ D) 1+alpha^2-beta gamma=0

If y=1/(1+x^(beta-alpha)+x^(gamma-alpha))+1/(1+x^(alpha-beta)+x^(gamma-beta))+1/(1+x^(alpha-gamma)+x^(beta-gamma)), then (dy)/(dx) is equal to-

If alpha, beta, gamma in [0, pi]"and if" alpha, beta, gamma are in AP, then (sin alpha - sin gamma)/(cos gamma - cos alpha) is equal to

A line makes angles alpha,beta,gamma with the coordinates axes . If alpha+beta=90^@ then gamma is equal to

A line makes angles alpha,beta,gamma with co-ordinates axes. If alpha+beta=90^(@) then gamma is equal to

A line makes angles alpha,beta,gamma with co-ordinates axes. If alpha+beta=90^(@) then gamma is equal to

If alpha, beta, gamma are the roots of ax^(3) + bx^(2) + cx + d = 0 and |(alpha,beta,gamma),(beta,gamma,alpha),(gamma,alpha,beta)| = 0, alpha != beta != gamma , then find the equation whose roots are alpha + beta - gamma, beta + gamma - alpha and gamma + alpha - beta

If alpha,beta,gamma are the roots of a x^3+b x^2+cx+d=0 and |[alpha,beta,gamma],[beta,gamma,alpha],[gamma,alpha,beta]|=0, alpha!=beta!=gamma then find the equation whose roots are alpha+beta-gamma,beta+gamma-alpha , and gamma+alpha-beta .