Y = - 5
I hope this helps. :)
My guess would maybe be 12 !
I'm pretty sure that the answer is 13/40
Answer:
1) True 2) False
Step-by-step explanation:
1) Given 
To verify that the above equality is true or false:
Now find 
Expanding the summation we get

Now find 
Expanding the summation we get
Comparing the two series we get,
so the given equality is true.
2) Given 
Verify the above equality is true or false
Now find 
Expanding the summation we get


now find 
Expanding the summation we get


Comparing the series we get that the given equality is false.
ie, 
The answer to this question would be 660