Report - Tiwari Academy · 2020. 1. 14. · dx dx dx dx dx dx dx = 5x4 - 20x3 + 45x2 - 52x + 11 (iii) log ààtR, logy = log(x2 - 5x + 8) + log(x3 + 7x + 9) 45 1 dy y. dx — (x2 1 dy dx x

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