Text 3
jijñāsitaṁ susampannam
api te mahad-adbhutam
kṛtavān bhārataṁ yas tvaṁ
sarvārtha-paribṛṁhitam
jijñāsitam — fully inquired; susampannam — well versed; api — in spite of; te — your; mahat-adbhutam — great and wonderful; kṛtavān — prepared; bhāratam — the Mahābhārata; yaḥ tvam — what you have done; sarva-artha — including all sequences; paribṛṁhitam — elaborately explained.
Your inquiries were full and your studies were also well fulfilled, and there is no doubt that you have prepared a great and wonderful work, the Mahābhārata, which is full of all kinds of Vedic sequences elaborately explained.
The despondency of Vyāsadeva was certainly not due to his lack of sufficient knowledge because as a student he had fully inquired about the Vedic literatures, as a result of which the Mahābhārata is compiled with full explanation of the Vedas.