If p(x)= x2+ 2x - 5, what is P(5)- P(1) = ???
Answers
Answered by
4
Step-by-step explanation:
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Given, x= (-1)
putting the value of x in given equation
P(x)=(-1)**2+ 2(-1)- 5
=1 -2 -5
=1 - 7
= -6 ANSWER
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Answered by
5
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If p(x) = x² + 2x -5
Then
p(5) = (5)² + 2×5 - 5
= 25 + 10 - 5
= 30
p(1) = (1)² + 2 - 5
= 1 + 2 - 5
= -2
Value of p(5) - p(1) = 30-(-2) = 30 +2 = 32
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Additional information ⏬
Polynomial is an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables. An example of a polynomial of a single indeterminate, x, is x² − 4x
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