1 or -4
0
1
-4 or 0
Correct answer is B
25x+3(5x)=4
Let 5x = y.
(52)x+3(5x)−4=0
y2+3y−4=0
y2−y+4y−4=0
y(y−1)+4(y−1)=0
(y+4)(y−1)=0
y=−4;y=1
y = -4 is not possible.
y = 1 ⟹ x = 0.
If xa+1 + yb = 1. Make y the subject of the relation....
The expression 5x+36x(x+1) will be undefined when x equals ...
If x + 1 is a factor of x3 + 3x2 + kx + 4, find the value of k...
Differentiate 2xsinx with respect to x....
A circular arc subtends angle 150° at the centre of a circle of radius 12cm. Calculate the ...
The data above shows the frequency distribution of marks scored by a group of students in ...
If cotθ = 815, where θ is acute, find sinθ...
In the diagram, KS is a tangent to the circle centre O at R and ∠ROQ = 80°. Find ∠QRS. ...