Let <em>f(x)</em> be the sum of the geometric series,

for |<em>x</em>| < 1. Then taking the derivative gives the desired sum,

Answer:
391
Step-by-step explanation:
First you must make the fraction a decimal so you can use it in an equation.
To do so move the . over to the left twice.
.68
Now multiply 575 by .68
575 x .68=391
Answer:
Hope this is helpful to you
Answer:
20 so the fractions would be 3/4=15/20 and 9/10=18/20
Step-by-step explanation:
because 4 x 5 = 20 and 10 x 2 = 20
Answer:
456
Step-by-step explanation:
thank you for the free ponits :)))