" QNO.8If "alpha,beta" are roots of equation "4x^(2)+3x+7=0" then "(1)/(a)(1)/(b)" is equal to "

If alpha,beta are two roots of equation 5x^(2)-7x+1=0, then (1)/(alpha)+(1)/(beta) is

If alpha" and "beta are the roots of the equation x^(2)+3x-4=0 , then (1)/(alpha)+(1)/(beta) is equal to

If alpha and beta are the roots of the equation 4x^(2)+3x+7=0, then (1)/(alpha)+(1)/(beta)=

If alpha,beta are roots of the equation x^(2)+3x+7=0, then 1/ alpha+1 beta is equal to 7/3(b)-7/3(c)3/7(d)-3/7

If alpha" and "beta are the roots of the equation x^(2)+2x+4=0, " then "(1)/(alpha^3)+(1)/(beta^3) is equal to

If alpha and beta are the roots of the equation x ^(2) + 3x - 4 = 0 , then (1)/(alpha ) + (1)/(beta) is equal to

If alpha and beta are the roots of the equation 3x^(2)+8x+2=0 then ((1)/(alpha)+(1)/(beta))=?

If alpha and beta are roots of the equation x^(2)+px+2=0 and (1)/(alpha)and (1)/(beta) are the roots of the equation 2x^(2)+2qx+1=0 , then (alpha-(1)/(alpha))(beta-(1)/(beta))(alpha+(1)/(beta))(beta+(1)/(alpha)) is equal to :