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Verified Answer :

Answer:

2-7i is the correct option.

Step-by-step explanation:

We have been given the complex number real part 2 and imaginary part 7 it can be expressed as:

2+7i

And the conjugate means in the complex number is opposite sign of imaginary part that is in general:

a+ib will have conjugate a-ib

So, the conjugate of 2+7i is 2-7i

Hence, Option d is correct.

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