Create your Smart Home App in the Free Webinar on Home Automation. Register Now
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
Free webinar on App Development Learn to create your own Smart Home App
16th Jan @ 5:00PM for Grade 1 to 10
Sit and relax as our customer representative will contact you within 1 business day
What are the roots of the quadratic equation x² + 4x + 7 = 0?
This is a equation with imaginary roots. Discriminant<0 -2+i root3, -2-i root 3
Discriminant = b^2 - 4ac = 4^2 - 4(1)(7) = 16 - 28 = -12 < 0As D<0, the equation has complex roots.x = -4 + v12 i / 2 = -2 + v3ix = -2 - v3iThese are the roots of this equation where i is iota.ThanksBharat BajajIIT Delhiaskiitians faculty
Post Question
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -