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Elena L [17]
3 years ago
13

011. Factorise: 18x² -32 y² using suitable identity.​

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0

Answer:

2(3x-4y) (2x+4y)

Step-by-step explanation:

2•3²•x²-2⁵•y²

2(2•3²•x⅖ -2⁵•y²)

2 2

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Answer:

\frac{\frac{1000}{x+h}-\frac{1000}{x}}{h} is your average rate of change,

Step-by-step explanation:

average rate of change is

\frac{f(a+h)-f(a)}{a+h-a}, by slope formula

simplify this to get \frac{f(a+h)-f(a)}{h}, which is the definition of the derivative as h goes to 0

\lim_{h \to 0} \frac{f(a+h)-f(a)}{h}

since you defined x=a, we can substitute a for x and vice versa to find our derivative.

\lim_{h \to 0} \frac{(2x^2+\frac{1000}{x+h})-(2x^2+\frac{1000}{x})}{h}

simplifying

\lim_{h \to 0} \frac{\frac{1000}{x+h}-\frac{1000}{x}}{h} (your average rate of change)

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