ques4 b part solve it fast
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for a=0...
for a=1...
for a=-1...
0(0^2+0+1)+5
=0+5=5
(ii) putting a=1
1(1^2+1+1)+5
=1(3)+5
=3+5
=8
(iii) Putting a=-1
-1{(-1^2)+(-1)+1}+5
-1(1)+5
=5-1
=4