Q. 13 A3.8( 31 Votes )

If p(x) = 2+5x th

Answer :

Put x = 2 in the polynomial

p(2) = 2 + 5× 2


= 2 + 10


= 12


Put x = -2 in the polynomial


p(-2) = 2 + (5× -2)


= 2 – 10


= -8


Put x = 1 in the given polynomial


P(1) = 2 + 5× 1


= 2 + 5


= 7


p(2) + p(-2) – p(1) = 12 – 8 - 7


= -3


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