Find the value of the polynomial p(y)=y^2-5y+6 at
(a)y=2
(b)y=-2
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↪When y = 2
↪p (y) = ( 2 ) ^2 - 5 ( 2 ) + 6
↪4 - 10 + 6 = 0
↪- 6 + 6 = 0
↪If y = - 6
↪p ( y) = ( - 2 )^2 - 5 (- 2) + 6
↪+ 4 + 10 + 6 = 0
↪+ 20 = 0
↪This shows 2 is the zero of the given polynomial !!
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__________________________________________
↪When y = 2
↪p (y) = ( 2 ) ^2 - 5 ( 2 ) + 6
↪4 - 10 + 6 = 0
↪- 6 + 6 = 0
↪If y = - 6
↪p ( y) = ( - 2 )^2 - 5 (- 2) + 6
↪+ 4 + 10 + 6 = 0
↪+ 20 = 0
↪This shows 2 is the zero of the given polynomial !!
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