Domain : [ -infinite , infinite [
graph should be going up diagonally .
Answer:
Given: ABCD is a parallelogram,
In which E ∈ BC and F lies on the extension of DC,
Such that line segment EF goes through the vertex A.
To prove:
Proof:
Since, By the definition of parallelogram,
By the Alternative interior angle theorem,
Also, ( vertically opposite angles )
Thus, By AA similarity postulate,
Hence proved.
Answer:
52 x 2 + 1 - 1 = 104
Adding some description to extend my answer since the equation was too short.
The question relates to the number of combinations of 9 students taken 6 at a time: