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Mathematics
Julio Valenzuela
14 October, 22:13
Find dy/dx
y = 5/8x^3/7 + 8x^4 + 6x - 9
+1
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1
)
Alexandra Weaver
15 October, 00:25
0
15/56x^ (-4/7) + 32x^3 + 6.
Step-by-step explanation:
Using the rule for algebraic differentiation:
If y = ax^n, dy/dx = anx^ (n-1).
So:
If y = 5/8x^3/7 + 8x^4 + 6x - 9
dy/dx = 5/8 * 3/7 x^ (3/7-1) + 8*4 x^ (4-1) + 6x (1-1)
= 15/56x^ (-4/7) + 32x^3 + 6.
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