Question

Find the value of P3-2p+3at p=1, p=-1, p=2, p=-2​

Answer 1

Step-by-step explanation:

P3-2P+3

(i) P=1

(1)3-2(1)+3

=3-2+3

= 6 - 2

=4

(ii) P=-1

(-1) 3-2(-1) +3

=-3+2+3

=5-3

=2

(iii) P=2

(2) 3-2(2) +3

=6-4+3

=9 + 3

=5

(iv) P=-2

(-2) 3-2(-2) +3

=-6+4+3

=-6 + 7

=1

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