The Total solution for NCERT class 6-12
(i)
(ii)
(iii)
Solution
(i)Given:
By definition of Equal matrices,
Equating corresponding entries, ……….(i)
……….(ii)
And [Fromeq. (i),
or
Putting these values of ineq. (i), we have and
or x = 4, y=2, z=0
………. (ii)
Eq. (i) – Eq. (iii) = 9– 7 = 2