My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

His smile was shining brilliantly.

The brilliant sun dyed the sea surface gold.

The sun is shining brightly.

His smile was shining brilliantly.

Natural numbers start from 0 and continue as 1, 2, 3, 4, 5, 6, 7, 8, 9.

What should I do to find the root number of this equation?

The order of this graph is 5.