By recognizing the series as a Taylor series evaluated at a particular value of x, find the sum of each of the following converg
1 answer:
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Answer:
15 makes the equation true
Step-by-step explanation:
Data :{2.5.15.50}
Equation :
We are supposed to find which value from the data satisfies the given equation
So, Substitute n = 2
Substitute n = 5
Substitute n = 15
Substitute n = 50
Hence 15 makes the equation true
Answer: The correct option is
(C) 1 : 4.
Step-by-step explanation: Given that John ordered 4 pairs of black socks and some additional pair of blue socks. The price of the black socks per pair was twice that of the blue.
When the order was filled, it was found that the number of pairs of the two colors had been interchanged. This increased the bill by 50%.
We are to find the ratio of the number of pairs of black socks to the number of pairs of blue socks in the original order.
Let b represents the number of pairs of blue socks that John ordered and p be the price per pair of blue socks.
Then, the price of the black socks per pair = 2p.
The total price of the socks originally is
and the cost of the socks after interchange of the colors is
According to the given information, we have
So, there are 16 pairs of blue socks.
Therefore, the ratio of the number of pairs of black socks to the number of pairs of blue socks in the original order was
Thus, option (C) is CORRECT.