====== Question 6, Review Exercise ======
Solutions of Question 6 of Review Exercise of Unit 05: Polynomials. This is unit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Federal Textbook Board, Islamabad, Pakistan. 

=====Question 6=====
Find the value of ' $k$ ' so that the remainder upon dividing $\left(x^{2}+8 x+k\right)$ by $(x-4)$ is zero.

** Solution. **










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