Question

find the value of polynomial p(x) =2+x+2x square -x cube at x=2​

Answer 1

Answer:

P(2)=2+(2)+2(2)²-(2)³

P(2)=4+8-8

P(2)=4

Answer 2

Given : p(x) = 2  + x  + 2x² - x³  

To Find : Value at x  = 2

Solution :

p(x) = 2  + x  + 2x² - x³  

x = 2

p(2) = 2 + 2  + 2(2)² - 2³

2³ = 8

2² = 4

⇒ p(2) = 2 + 2  + 2(4) - 8

⇒ p(2) = 4  +8 - 8

⇒ p(2) = 4

p(2) = 4  

Value of p(x) = 2  + x  + 2x² - x³   at x = 2 is 4

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