verify : p(y)=5y square +4y -9 ; y=1,2
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Step-by-step explanation:
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Answered by
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Answer:
y=1 is 0 and y=2 is
Step-by-step explanation:
19y=1
5×1^2+4×1-9
=5+4-9
=9-9
=0
And y=2
5×2^2+4×2-9
=5×4+8-9
=28-9
=19
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