hello sir, can u show me the derivation for 'x=-b/2a and b/2a' and explain in detail as i'm finding difficulties with this chapter..thank you

Asked by yash saha | 7th Oct, 2010, 12:00: AM

Expert Answer:

Dear Student,

For the quadratic equation ax2 + bx + c = 0, the roots are given by:

When the roots are equal, then the discriminant = = 0

So, the roots of the quadratic equation are .

We hope that clarifies your query.




Answered by  | 8th Oct, 2010, 12:02: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.