+4 or+1
-5 or +1
-5 or -1
+5 or -1
16
Correct answer is B
6x−1x2+4x−5
The expression is undefined when x2+4x−5=0
x2+5x−x−5=0
x(x+5)−1(x+5)=0
(x−1)(x+5)=0
The expression is undefined when x = 1 or -5.
The nth term of a sequence is n2 - 6n - 4. Find the sum of the 3rd and 4th terms....
make u the subject in x =2u−33u+2...
In the figure, PQST is a parallelogram and TSR is a straight line. If the area of △...
Which triangle is equal in area to ΔVWZ ...
Find correct to 3 decimal places (10.05 + 15.005) - (0.05 x 2.05)...
In the graph above, the gradient of the curve at the point P is ...