dy/dx = 8(8x - 5)(4x² - 5x )^ 7
differentiate using the ' chain rule '
dy/dx = 8(4x² - 5x)^ 7 × d/dx (4x² - 5x)
= 8(4x² - 5x)^ 7 × (8x - 5)
= 8(8x - 5)(4x² - 5x)
Answer:
5.
we have.
11x=½(16x+16+50)
22x=16x+66
22x-16x=66
6x=66
x=66/6
x=11
6.
118°=½(6x-11+181)
236=6x+170
6x=236-170
x=11°
7.
34°=½(arcAK-arc LN)
34×2=(110-arc LN)
arc LN =110-68
arc LN=42°
8.
<L=½(arc EN-arc KM)
<L=½(139°-73°)
<L=33