Find the number that should be added to the expression to make it a perfect square. k^2-5k
1 answer:
You might be interested in
and you can expand the numerator if you wish, it won't be simplified further though.
1.
Answer D.
2.
From secant theorem, we know, that:
and from picture:
So we can calculate:
Answer D.
2.
From secant theorem, we know, that:
and from picture:
So we can calculate: