Question

if p(x)=x²-5x+7 then the value of P(2) -p(-1)

Answer 1

Answer:

-12

Step-by-step explanation:

P(2) - p(-1)

(4-10+7) - (1+5+7)

1-13

-12

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Answer 2

Answer:

p(2)=1

p(1)=3

Step-by-step explanation:

p(x)=x²-5x+7

p(2)=2²-5(2)+7

p(2)=4-10+7

p(2)=1

p(1)=1²-5(1)+7

p(1)=1-5+7

p(1)=3

(If you are not able to understand this concept then Refer NCERT Class 9 Maths - Chapter 2)

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