1x+1
1(x+1)2
1−xx+1
1−x(x+1)2
Correct answer is B
y=xx+1
Using quotient rule because the function is of the form u(x)v(x)
dydx=vdudx−udvdxv2
dydx=(x+1).1−x.1(x+1)2
= 1(x+1)2
In how many ways can 3 prefects be chosen out of 8 prefects? ...
Find the equation of the line passing through (0, -1) and parallel to the y- axis. ...
Given that 3x+4(x−2)(x+3)≡Px+3+Qx−2,find the value of...
A man of mass 80kg stands in a lift. If the lift moves upwards with acceleration 0.5ms−2, cal...
α and β are the roots of the equation 2x2−3x+4=0. Find \(\frac{\alpha}...
For what value of k is 4x2 - 12x + k, a perfect square?...
In △PQR, ¯PQ = 5i - 2j and ¯QR = 4i + 3j. Find \(\...
Two functions f and g are defined by f:x→3x−1 and g:x→2x3, evaluate \(fg(-2...
Age(in years) 1 - 5 6 - 10 11 - 15 Frequency 3 5 2 Calculate the standard de...