Mik09viz
Answered

-(-1)raised to 1+(-1)raised to 2 ...-(-1)raised to 41-(-1)raised to 42.

Sagot :

Riza1viz
[tex]-(-1)^1+(-1)^2 = 1+1=2 \\\\-(-1) ^{41}-(-1) ^{42}=-(-1)-1= 1-1=0[/tex]