Advertisements
Advertisements
प्रश्न
Starting from (−1) × 5, write various products showing some pattern to show (−1) × (−1) =1.
Advertisements
उत्तर
−1 × 5 = −5
−1 × 4 = −4 = − 5 + 1
−1 × 3 = −3 = − 4 + 1
−1 × 2 = −2 = − 3 + 1
−1 × 1 = −1 = − 2 + 1
−1 × 0 = 0 = − 1 + 1
Therefore, −1 × (−1) = 0 + 1 = 1
APPEARS IN
संबंधित प्रश्न
For any integer a, what is (− 1) × a equal to?
Determine the integer whose product with (−1) is −22.
Find two pairs of integers whose product is +15
Say true or false.
The product of two negative integers is a positive integer
______ is the multiplicative identity for integers.
We get additive inverse of an integer a when we multiply it by ______.
88 × ______ = –88
Below u, v, w and x represent different integers, where u = –4 and x ≠ 1. By using following equations, find each of the values:
u × v = u
x × w = w
u + x = w
- v
- w
- x
Explain your reasoning using the properties of integers.
Determine the integer whose product with (–1) is 37.
Determine the integer whose product with (–1) is 0.
