Question 95
What should be added to −12 to obtain the nearest natural number?
We know that, nearest natural number to −12 is 1. Let x be added to −12 to obtain 1. ⇒x+−12=1⇒x=1+12=2+12⇒x=32
Question 96
What should be subtracted from −23 to obtain the nearest integer?
Question 97
What should be multiplied with −58 to obtain the nearest integer?
What should be added to x2+xy+y2 to obtain 2x2+3xy?