Question

9. For what values of two whole numbers a and b, a - b = b - a?
10. Is there a whole number p such that p - p = p ? Is there any whole number for which this
relation does not hold good?

Answer 1

Answer:

9:-

Step-by-step explanation:

Given-

a-b=b-a

=> a+a=b+b

=> 2a=2b

=> a=b

so, it is possible when a=b

10:-

Given-

p-p=p

=> -p=0

=> p=0

it only satisfy the value p=0