Find the values of $k$ for the following quadratic equation, so that they have two real and equal roots: $2x^2 + k x + 3 = 0$
Reveal answer
Fill a bubble to check yourself
Keep practicing — related questions
- The equation ${ x }^{ 2 } - ax + b = 0 \& { x }^{ 3 } - p{ x }^{ 2 } + qx = 0$, where $b \neq 0, q \neq 0$,...
- Find the values of $K$, so that the quadratic equation ${ x }^{ 2 }+2\left( K-1 \right) x+K+5=0$ has atleas...
- If the equation $\displaystyle x^{2}-2kx-2x+k^{2}=0 $ has equal roots the value of k must be
- If the quadratic equation $a{ x }^{ 2 } + bx + c = 0; a>0$ has real roots of opposite sign in the interval ...
- If the equations $2x^{2}+x+k=0$ and $x^{2}+\dfrac{x}{2}-1=0$ have a common root, then the value of $k$ is
- Consider the quadratic equation $(1+m)x^2-2(1+3m)x+(1+8m)=0$, (where $m \in R-\left \{-1\right \})$, t hen ...
- Let $S$ be the set of values of $a$ for which $2$ lies between the roots of the quadratic equation $x^{2} +...
- If $2$ and $3$ are the roots of cubic equation $2x^3+mx^2-13x+n=0$, then the values of $m$ and $n$ are: