23
17
-17
18
Correct answer is C
8x+mx2−3x−4≡5x+1+3x−4
8x+mx2−3x−4 ≡ 5(x−1)+3(x+4)x2−3x−4
multiplying both sides by x2-3x-4
8x+m ≡ 5(x-4)+3(x+1)
8x + m ≡ 5x - 20 + 3x + 3
8x - 5x - 3x + m = -20 + 3
m = -17
In how many ways can four Mathematicians be selected from six ? ...
What percentage increase in the radius of a sphere will cause its volume to increase by 45%? ...
Find the 3rd term of (x2−1)8 in descending order of x....
Find the sum of the exponential series 96+24+6+......
A binary operation * is defined on the set of real numbers, R, by P * q = q2−p22pq...
The table shows the distribution of marks obtained by some students in a test Marks 0-9 10-...
If \sin x = -\sin 70°, 0° < x < 360°, determine the two possible values of x....