Math, asked by shaheen25, 11 months ago

What will be the nature of root of the equation 2x²+4x+7=0

Answers

Answered by vaarija04

2

Answer:

D=b^2-4ac

D=4^2-4*2*7

D=16-56

D= - 40

As D is negative roots are imaginary

Answered by star2678

1

Answer:

b2 - 4ac

(4)2 - 4×7×2

16 - 56

-40

-40< 0

hence, roots of this equation are complex, and imaginary roots

Previous Question

Next Question

Similar questions

Science, 5 months ago

3 Migratory birds leaves their place at particular time duration and migrate to other places.

Science, 5 months ago

If the farmer does not have a fan available to use the above method, what other good option he has a) Can use thresher b) Winnowing can be done in the direction of wind c) Heaps can be made in the field and separated by hand d) Evaporation and sedimentation can be used what is the final answer...

Hindi, 5 months ago

२. कारण लिखिए। २ . गृहस्वामी का जूलिया को संसार के साथ लड़ने के लिए कहने का कारण ३.१.निम्नलिखित...

Computer Science, 11 months ago

why class is called an object factory??????? in short...

Biology, 11 months ago

1. Select the correct statement from the following 1) Mineral nutrients taken up by the roots and transported upward into stem, leaves and growing region 2) When a plant part undergoes senescence, the nutrient always remain in the senescence part and gets lost from the plant, ami 3) In flowering plant the complex traffic of compound in unorderly manner moving in different direciton 4) All...

Physics, 1 year ago

A ray of light enters into benzene from air. If the refractive index if benzene is 1.50,by what percent does the speed of light reduce on entering the benzene?

Biology, 1 year ago

Define disease.explainbbriefly two groups of causes of disease...

Math, 1 year ago

find area of circle wich radius 7cm on graph...