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I can't read setuplightshot.exe
File will not open. A file that ends in .exe is questionable to my thinking.
IS THAT BETTER @phi @Directrix
this might help... https://mathway.com/
i tried that its wont let me put my problems in it for some reason
it is the sum of four numbers. I would write down the 4 numbers and add them up
when k=1 you get the first number (-1)^1 (k+11) that is -1 * 12 or -12 -12 is the first number
can you find the next number, when k=2 ?
UM IS IT 16 RIGHT
when k=2 you get (-1)^2 * (2+11) can you simplify that ?
SORRY THIS IS MY FIRST TIME REALLY DOING THIS
SO IT IS 11
what is (-1)^2 ?
(-1)^2 means -1 * -1
OHHH SORRY ABOUT THAT
the second number is (-1)^2 * (2+11) -1*-1 is 1 (2+11) is 13 1*13 is 13 so the first two numbers are -12, 13 can you find the third number, when k=3 ?
i got 15
it is (-1)^3 * (3+11)
(-1)^3 is -1 times itself 3 times. it will be -1 (if you have an odd power (3 in this case) you will get -1. if you have an even power, it will be +1) (3+11) is 14 -1*14 = -14 the first 3 numbers are -12, 13, -14 now find the last number, when k=4
when k is 4 you will get (-1)^4 * (4+11) = 1*15= 15 the four numbers are -12,13,-14,15 add them up to get the answer
ok makes since now god your such a life saver
i got 2 when i added them together