Differentiating both sides of eq. (i) w.r.t we have
……….(iii)
Putting the value of from eq. (i) and value of from eq. (iii) in L.H.S. of eq. (ii),
= R.H.S. of (ii)
Hence, Function given by eq. (i) is a solution of .
Differentiating both sides of eq. (i) w.r.t we have
……….(iii)
Putting the value of from eq. (i) and value of from eq. (iii) in L.H.S. of eq. (ii),
= R.H.S. of (ii)
Hence, Function given by eq. (i) is a solution of .