answer of these two
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Answer:
k = 30
a = 0
Step-by-step explanation:
4) x-4 =0
x= 4
p(x) = x^2 +11x + k
p(4)= 4^2 + 11 × 2 +k = 0
= 8 +22+k = 0
= 30 +k = 0
k = -30
5) x= 2
f(2)= 2(2)^2 - 3×2 +7a = 0
= 8 - 6 + 7a = 0
2+ 7a = 0
7a= 0
a = 0/7
a = 0
I hope it will help you
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