(6) Simplify a(a +a+D) +5 and find its value
(i) a=-1.
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Answered by
1
Answer:
a(a2+a+1)+5
=a
3
+a
2
+a+5
Putting the value of a,we get,
a
3
+a
2
+a+5
=0+0+0+5
=5
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0
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