Question

Question 6
(1 Marks
If the value of the polynomials m (cube) +2m ta is
12 for m=2 ,then find value of a =?
Answer 6
a = 1
a=2
a = -1​

Answer 1

Answer:

I think the answer is 0

Explanation:

p(m) = m3 + 2m + a

∴ p(2) = (2)3 + 2(2) + a

∴ 12 = 8 + 4 + a … [∵ p(2) = 12]

∴ 12 = 12 + a

∴ a = 12 – 12

∴ a = 0

I hope it's correct

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