Question

(-1)^1+(-1)^2+(-1)^3+(-1)^4+....+(-1)^100​

Answer 1

answer 0

Step-by-step explanation:

calculletor answer

Answer 2

Answer:(-1)(-1)^100-1

=(-1)(-1)

=1

Step-by-step explanation:

Sum of n terms in G.P=ar^n-1

= (-1)(-1)^100-1

=(-1)(-1)^99

=(-1)(-1)

=+1

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