yk510 wrote:
Why is the answer not 0? If a=8 and b=0?
When you convert this expression to liner equation it is a+(-b) = 8 when a>b or a + (-b) = -8 when a<b.
So, now if you see the values of a and b for which the product wil be minimum when corresponding values are 4 and -4 and hence the product = -16. Hope this makes sense
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