The formula for N choose K is given as:
C(n, k)=
Where,
n is the total numbers.
k is the number of the selected item.
Options C is correct.
In completing the square method, considering the equation X^2 - 2x + the number to be added should be<u> 1 </u>to make it a perfect square
<h3>How to know term that should added</h3>
The standard quadratic equation is of the form
ax^2 + bx + c
The completing the square method is one of the methods of solving quadratic equations
The factor to be added to the equation while using the completing the square method is of the formula
(b / 2a)^2
compared to the equation in the problem X^2 - 2x +
= (b / 2a)^2
= (2 / 2)^2
= (1)^2
= 1
Learn more on quadratic equations here:
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Answer:
I would need more information but I believe its A
Step-by-step explanation:
Answer:
the 3rd one
Step-by-step explanation:
Answer:
32*54=1728
Step-by-step explanation:
32
*54
=128
+1600
=1728