Saved Bookmarks
| 1. |
given that a=(-10),b=7 and c=(-3), verify that addition is communicative and associative. Also show that subtraction is neither communicative nor associative. |
|
Answer» Step-by-step explanation: Given that A= -10 B = 7 C = -3 Addition is commutative A+B =B + A -10 + 7= 7-10 -3 = -3 Addition in Association (A+B )+C = A + (B+C) (-10+7)-3 = -10+(7-3) -3 -3 =-10+4 -6 = -6 Subtraction in commutative A - B = B - A -10-7 = 7 - (-10) -17 = 7+10 -17 not equal to 17 Subtraction in Association (A-B)-C = A - (B- C) (-10-7)- -3 = -10-(7 - -3) -17+3. = -10-(7+3) -14 = -10-10 -14 = -20 ,not equal |
|