Which has a value closest to 9?
2 answers:
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We have this equation:
So, we need to solve this equation for L. Then we sum -2W in each member of the equation, like this:
Then, dividing the equation by 2:
Finally, let's order this equation:
So, we need to solve this equation for L. Then we sum -2W in each member of the equation, like this:
Then, dividing the equation by 2:
Finally, let's order this equation:
Answer:
The sum of first 50 terms is 3425.
Step-by-step explanation:
Let the first tem of A.P be 'a' and it's common difference be 'd'
Thus the 16th term of the A.P is given by
Now we know that the sum of first 'n' terms of the A.P is given by
Solving equation 'i' and 'ii' simultaneously we get
Thus
Thus the sum of first 50 terms euals