-9
-6
15
21
Correct answer is C
f(x) = x3 + px + q
f(3) 32 + 3pf + q = 6
f1(x) = 2x + p
f1(3) = 2(3) + p = 0
p = -6
from 9 + 3p + q = 6
9 + 3(-6) + q = 6
9 - 18 + q = 6
-9 + q = 6
Q = 6 + 9
= 15
The table shows the distribution of marks obtained by some students in a test Marks 0-9 10-...
Simplify (216)−23×(0.16)−32...
Given that 6x+m2x2+7x−15≡4x+5−22x−3, find the value of m...
Find the unit vector in the direction of −2i+5j....
Given that dydx=3x2−4 and y = 6 when x = 3, find the equation ...
Given that −6,−212,...,71 is a linear sequence , calculate the number of terms in th...
Given that log3(x−y)=1 and log3(2x+y)=2, find the value of x...
If X = 35 and cos y = 2425, where X and Y are acute, find the value of cos...