Find the value of k for which the quadratic equation ${"mathml":"<math class="image_resized" style="width:151px;height:19px"><span style="font-family:$ has equal roots.

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

Both 1 and 2

Either 1 or 2

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

The standard quadratic equation is ${"mathml":"<math class="image_resized" style="width:146px;height:20px"><span style="font-family:$ If the roots are real and equal then D=0
If the roots are real and unequal then D>0
If the roots are real and imaginary then D<0
By comparing the standard equation with given equation,
${"mathml":"<math class="image_resized" style="width:222px;height:17px"><span style="font-family:$ Therefore,
${"mathml":"<math class="image_resized" style="width:294px;height:176px"><span style="font-family:$

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE