(x+1)/(x-1) | 11 | LIMITS AND DERIVATIVES | MATHS | NAGEEN PRAKASHAN | Doubtnut

If x+ (1)/(x)= -2 , find x^(11) + (1)/(x^(11)) = ?

If x+ (1)/(x)=2 , find x^(11) + (1)/(x^(11))= ?

Is cos^(-1) (-x) = pi - cos^(-1) x , x in [-1,1] ?

sin^(-1)x+cos^(-1)x,x in[-1,1]=

Let f(x)=(x sin(x-[x]))/(x-1) .Then the right hand limit of f at x=1 is

The derivative of sec^(-1)(-1/(2x^(2) -1)) with respect to sqrt(1-x^(2)) " at " x = 1/2 is ……. .

Winners Announcement 1 Sep 2020 | Day -11 | Doubtnut Live Class Daily Quiz Contest | Leaderboard

Statement-1 : lim_(x to 0) (sqrt(1 - cos 2x))/(x) at (x = 0). Right and limit != hand limit

If f(x)=|log_(10)x| then at x=11 fis not continuous2) fis continuous but not differentiable 3 ) fis differentiable4) the derivative is 1

The domain of the derivative of the function f(x)={t a n^(-1)x ,if|x|lt=1 and 1/2(|x|-1),if|x|>1 a.R-{0} b. R-{1} c. -{-1} d. R-{-1,1}