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" If "3+" i is a root of "x^(2)+ax+b=0,"...

" If "3+" i is a root of "x^(2)+ax+b=0," then "a=

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Assertion (A) : If 3 + iy is a root of x^(2) + ax + b = 0 then a = -6 Reason (R) : If a, b , c are real and Delta lt 0 the roots of ax^(2) + bx + c = 0 are conjugate complex numbers

If a and b ( != 0) are roots of x^(2) +ax + b = 0 , then the least value of x^(2) +ax + b ( x in R) is :

3+4i is a root of x^(2) + Ax + B = 0 and sqrt(3) -2 is a root of x^(2) + Cx + D = 0 then

3+4i is a root of x^(2) + Ax + B = 0 and sqrt(3) -2 is a root of x^(2) + Cx + D = 0 then

IF 3+i is a root of the equation x^2 + ax + b=0 then a=

IF 3+i is a root of the equation x^2 + ax + b=0 then a=

If (3+i) is a root of the equation x^(2)+ax+b=0 then a is