2x^(2)-9x+10=0," when "(i)x in N

Solve : (i) x^(2)-11x-12=0 , when xepsilonN (ii) x^(2)-4x-12=0 , when xepsilonI (iii) 2x^(2)-9x+10=0 , when xepsilonQ .

Solve equations, given below, using factorisation method : 2x^(2)-9x+10=0 , when : (i) xepsilonN (ii) xepsilonQ .

If A={x:x is a multiple of 3, x lt 12} and B={x: x in N, x^(2)-9x+18=0} then find A-B.

If A={x:x is a multiple of 3, x lt 12} and B={x: x in N, x^(2)-9x+18=0} then find A-B.

2x^(2) - 9x+10 = 0 y^(2) - 18y+72 = 0

if x^(2)+bx+c=0&2x^(2)+9x+10=0 have both roots common then find b&c

Evaluate: (i) x^(2)+4x+7 when x=2+sqrt(-3) (ii) 2x^(3)-9x^(2)-10x+13 when x=3+sqrt(-5)

Evaluate : 2x^3-9x^2-10x+13 when x =3+ sqrt(5) .

Write the values of alpha + beta and alpha beta for the following quadratic equations : (i) 4x^(2) - 5x - 3 = 0 (ii) x^(2) + 9x - 10 = 0