Advertisement Remove all ads

Is 0.2 a root of the equation x2 – 0.4 = 0? Justify - Mathematics

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads
Sum

Is 0.2 a root of the equation x2 – 0.4 = 0? Justify

Advertisement Remove all ads

Solution

No, since 0.2 does not satisfy the quadratic equation

i.e., (0.2)2 – 0.4 = 0.04 – 0.4 ≠0.

Concept: Nature of Roots
  Is there an error in this question or solution?

APPEARS IN

NCERT Mathematics Exemplar Class 10
Chapter 4 Quadatric Euation
Exercise 4.2 | Q 6 | Page 39
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×