Question

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Answer 1

Step-by-step explanation:

It is said, x + a is a factor of ma - nx - 3x^2

Since x+a is a factor of f(x), f(-a) = 0.

p(-a) = ma - n(-a) - 3(-a)^2

0 = ma + na - 3a^2

==> 3a^2 - na - ma = 0

==> 3a^2 - a(m + n) = 0

==> 3a^2 = a(m + n)

=> a = (m + n)/3

Hope my answer helped you.

Answer 2

Answer:

Here is your answer I hope this answer is helpful.