Question

For any integer a,what is (-1)×a equal to?

Answer 1

For any positive integer a ,

-1 × a = -a

Because
(-ve) × (+ve ) = (-ve)

(-ve ) × (-ve ) = (+ve)

(+ve) × (+ve) = (+ve)

Answer 2

Given: Here we have given any integer a

To Find: we have to find the value of ( - 1 ) × a

Solution:

Here we will get

( - 1 ) × a

Here we will use the fomula

- a × b = - (a × b)

So,

( - 1 ) × a = - a

Final answer:

Hence the answer is - a