Question

What will be the sign of the probust axb if.
a is the product of 5 positive integers and b is theproduct of 9 negative integers.​

Answer 1

Answer:

a is the product of 5 positive integers:- a*a*a*a*a=5a

b is the product of 9 negative iintegers:- -b* -b* -b* -b* -b = -5b

So, 5a* -5b = -25ab

thus, the sign of the probust a*b will be negative