Question

5. (-1)301 + (-1)302 + (-1)303 + ... + (-1)400
(a) 1
(b) 101
(c) 100
(d) 0


Give Answer With method I will mark as brainleast...​

Answer 1

-1306

hope you get it ☺️

Answer 2

Answer:0

We know ( − 1 ) x (-1)x = − 1 =-1, when x is odd. = 1 =1 , when x is even. ∴ ( − 1 ) 301 + ( − 1 ) 302 + ... . + ( − 1 ) 400 ∴(-1)301+(-1)302+....+(-1)400 = ( − 1 ) + 1 + ( − 1 ) + 1 + ... ( 100 terms ) = 0 =(-1)+1+(-1)+1+...(100 terms)=0 Hence, the correct options is (d)