Let f(x) = By product rule,= (5x3 + 3x – 1) + (x – 1)(15x2 + 3)= 5x3 + 3x – 1 + 15x3 + 3x – 15x2 – 3= 20x3 – 15x2 + 6x – 4

Q. 9 B4.0( 31 Votes )

Find the derivati

Answer :

Let f(x) =

By product rule,

= (5x³ + 3x – 1) + (x – 1)(15x² + 3)

= 5x³ + 3x – 1 + 15x³ + 3x – 15x² – 3

= 20x³ – 15x² + 6x – 4

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