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