Mike can assemble a computer table in 40 minutes and i can do it in 60 minutes. if mike works for 20 minutes before i join him,
1 answer:
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I'm guessing the sum is supposed to be
Split the summand into partial fractions:
If , then
If , then
This means
Consider the th partial sum of the series:
The sum telescopes so that
and as , the second term vanishes and leaves us with
Answer:
The value of given expression is .
Step-by-step explanation:
Given information: n=7, x=2, p=1/2
The given expression is
It can be written as
Substitute n=7, x=2, p=1/2 and q=1/2 in the above formula.
Therefore the value of given expression is .