What is the value of the expression 1 - 2 + 3 - 4 + 5 - 6 ........to 100 terms ?
Answer & explanation
Correct answer: option 1
The value of the expression 1 - 2 + 3 - 4 + 5 - 6 ........to 100 terms
According to the question, 1 - 2 = -1
Two terms are giving -1 result
So the total terms =
The value of the value of the expression 1 - 2 + 3 - 4 + 5 - 6 ........to 100 terms = 50 × -1 = -50