Solution:
we have.
and ……………………….(ii)
From Eq. (i),
…………………..(iii)
From Eq. (ii),
Now, on substituting the value of kin Eq. (iii), we get
If the roots of the equation a2+bx+c = 0 are of the form, then is equal to
we have.
and ……………………….(ii)
From Eq. (i),
…………………..(iii)
From Eq. (ii),
Now, on substituting the value of kin Eq. (iii), we get