If `allpha,beta` are roots of the equation `x^2 + 2x + 5 = 0` and `veca=(alpha + beta)i+alpha*betaj , vecb=alpha*betai+(alpha+betaj)+(alpha^2+beta^2)k`then find `vecaxvecb`

If alpha,beta are roots of the equation x^(2)+2x+5=0 and bar(a)=(alpha+beta)bar(i)+alpha betabar(j),beta b=alpha betabar(i)+(alpha+beta)bar(j)+(alpha^(2)+beta^(2))bar(k) then bar(a)xxbar(b)=

If alpha and beta are the roots of the equation x^2-9x+14=0 , find (i) alpha^2+beta^2

If alpha and beta are the roots of the equation x^2-9x+14=0 , find (i) alpha^2+beta^2

If alpha and beta are the roots of the equation x^2-9x+14=0 , find (i) alpha^2+beta^2

If alpha and beta are the roots of the equation x ^(2) + alpha x + beta = 0, then

If alpha , beta roots of the equations x^(2) - 5x + 6 = 0 , find the value of alpha^(2) - beta^(2) .

If alpha and beta are the roots of the equation x^2 - 10x + 5 = 0 , then equation whose roots are (alpha+beta)^2 and (alpha-beta)^2 is

If alpha, beta are the roots of the equation 2x^2+5x+3=0 , then find the value of beta/alpha + alpha/beta .

If alpha and beta are the roots of the equation x^(2)-ax+b=0 ,find Q (a)(alpha)/(beta)+(beta)/(alpha)