Valmiki Ramayana Ayodhya Kanda Sarga 12 Shloka 58
Original Shlokaकुतो वा ते भयं जातं या त्वमेवंविधं वरम्।।2.12.58।। राष्ट्रे भरतमासीनं वृणीषे राघवं वने।
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ते to you, कुतः वा from where, भयम् fear, जातम् was born, या you, भरतम् to Bharata, राष्ट्रे in the kingdom, आसीनम् seated, राघवम् to Rama, वने in the forest, एवं विधम् this type of, वरम् a boon, वृणीषे you are asking for.
You are asking for a boon that Bharata should be enthroned in the kingdom while Rama should live in the forest. From where did you get this apprehension?