SOLUTION: Find a value of k so that 9m^2 – kn^2 will have the factors 3m + 7n and 3m – 7n
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Question 63905
:
Find a value of k so that
9m^2 – kn^2
will have the factors 3m + 7n and 3m – 7n
Answer by
stanbon(75887)
(
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Find a value of k so that
9m^2 – kn^2
will have the factors 3m + 7n and 3m – 7n
---------
(3m+7n)(3m-7n)=9m^2-49n^2
Theefore k=49
Cheers,
Stan H.