Question

For any numbers a and b ,we say a x ( -b ) = (-a) x b = - ( axb ), (-a )x ( -b ) = ( a x b ) also
(-a )- ( - b ) = a + b. Answer the following.
1. ( -a ) x ( -a ) x( - a ) …… 2k times (- a ) is ---------------.( where k is positive integer )

Answer 1

Answer:

1) a=negative number/-2ka³