CALCULUS!! please help! If y=(u+4)/(u-4 ) and u=(x+√x)/10 find dy/dx when x=4.
1 answer:
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Given:
1. Combining like terms (here terms 6x and 2x both contain x, then we can combine them):
2. Distributive postulate:
The equation is
3. Zero product postulate (zero product postulate state that if a product of two factors is equal to zero, then first factor is equal to zero or second factor is equal to zero):
4. Subtraction property of equality:
a) subtract 6 from the first equation:
b) subtract 2 from the second equation: