Given a Polynomial P (X)= 3X^5+7X^7+7X^5 -2X^4 +9.Find the following (i) P(0) (ii) P (-1) (iii)P (6) (iv) P (7) (v) P (5) b) Given that P1 (x) = X^2 -2X+4; P2 (x)=X^2 +5; P3 (x)=2X^3- 3X^2.Evaluate the following.a.P1 (X)P2 (X); b.P2 (X)P3 (X);c .P1 (X)P3 (X)?

Oaks101

10 Apr, 2021

Mathematics

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Jerrycurl12
5 years ago

p(x)=3x⁵+7x⁷+7x⁵-2x⁴+9

i)

f(0)=3(0)⁵+7(0)⁷+7(0)⁵-2(0)⁴+9

=9

Oaks101
5 years ago

P (-1) =P (-1)^5 +7(-1)^5 - 2(-1)^4 +9
=-3 -7 -7 -2 +9
= -19+9
=10

Oaks101
5 years ago

Evaluate
(a) P1(X)P2 (X)
=(X^2 -2X+4)(X^2 +5)
=X^4 +5X -2X^3 -10X +4X^2 +20

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