Question

5) Find the value of p2) .pl-2) - pfi) for the polynomial p(x) = 5x + 2​

Answer 1

Answer:

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Step-by-step explanation:

ANSWER

Given that,

p(x)=5x2+13x−a

Here, a=5,b=13 & c=−a

Let, the zeroes  are α,α1

Product of zeroes (α×α1)=ac

⟹1=5−a

⟹5=−a

∴a=−5

Answer 2

(i) p(x)=5x+2

p(2)=5(2)+2

=12

p(2)=12

(ii) LHS

p(l-2)=5(l-2)+2

=5l-10+2

p(l-2) =5l-8

RHS

p(fi)=5(fi)+2

=5fi+2

p(l-2)-p(fi)=5l-8-(5fi+2)

=5l-8-5fi-2

=5l-5fi-10