find the value of the polynomial …
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Posted by Guru Ram 6 years, 9 months ago
- 2 answers
Dharmendra Kumar 6 years, 9 months ago
Let p(x)=4+x2-x+2x2
=3x2-x+4
At x=-2
p(-2)= 3×(-2)2-(-2)+4
=3×4+2+4
=12+2+4
=18
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Dharmendra Kumar 6 years, 9 months ago
So if polynomial p(x)= 4+x2-x+2x3
Then at x=-2
p(-2)=4+(-2)2-(-2)+2(-2)3
=4+4+2+2×(-8)
=10-16
=-6
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