Solve the equation `ix^2-x+12i=0`

Solve the equation x^2+3=0

Solve the equation 27x^2-10x+1=0 .

Solve the equation 21x^2-28x+10=0

Suppose that two persons A and B solve the equation x^(2)+ax+b=0 . While solving A commits a mistake in constant term and find the roots as 6 and 3 and B commits a mistake in the coefficient of x and finds the roots as -7and-2 .Then , the equation is a) x^(2)+9x+14=0 b) x^(2)-9x+14=0 c) x^(2)+9x-14=0 d) x^(2)-9x-14=0

Solve the equation sqrt(3) x^(2)-sqrt(2) x+3 sqrt(3)=0

Solve the following equations x^2-2x+3/2=0

(b)Solve the quadratic equation x^2+x+1=0

Express (x+1)! interms of (x-1)! . Hence, solve the equation (x+1)! =12(x-1)!

If 2-i is a root of the equation ax^2+12x+b=0 .then the value of ab is equal to a)45 b)15 c)-15 d)-45