6. Find the derivative of y= 2x² (3x - 4). A. 6x³ - 8x² B. 18x² - 16x 7. Find the derivative: f(x)=x*sinx A. x\cosx - 4x3sinx B. x cosx + 4x³sinx C. 15x² - 6x D. 6x-4 C. 4x cosx D. -4x³cosx

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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6. Find the derivative of y= 2x² (3x - 4).
A. 6x³ - 8x²
B. 18x² - 16x
7. Find the derivative: f(x) = x sinx
A. x\cosx - 4x3sinx
B. x cosx + 4x³sinx
C. 15x² - 6x
D. 6x-4
C. 4x3cosx
D. -4x³cosx
Transcribed Image Text:6. Find the derivative of y= 2x² (3x - 4). A. 6x³ - 8x² B. 18x² - 16x 7. Find the derivative: f(x) = x sinx A. x\cosx - 4x3sinx B. x cosx + 4x³sinx C. 15x² - 6x D. 6x-4 C. 4x3cosx D. -4x³cosx
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