If there is an error of `k %` in measuring the edge of a cube, then the percent error in estimating its volume is (a)`k` (b) `3k` (c)`k/3` (d) none of these

If there is an error of k % in measuring the edge of a cube, then the percent error in estimating its volume is k (b) 3k k/3 (d) none of these

If the error in the measurement of radius of a sphere is 3% then the error in the measurement of volume of the sphere will be :

A straight line moves such that the algebraic sum of the perpendiculars drawn to it from two fixed points is equal to 2k . Then, then straight line always touches a fixed circle of radius. (a) 2k (b) k/2 (c) k (d) none of these

If f(x)=k x^3-9x^2+9x+3 monotonically increasing in R , then (a) k<3 (b) klt=2 (c) kgeq3 (d) none of these

If k + 2 ,4k - 6, 3k - 2 are the 3 consecutive terms of an A.P, then the value of k i s ......

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.1 cm .Use differentials to estimate the maximum possible error in computing (i) the volume of the cube and (ii) the surface area of cube .

If cos3x+sin(2x-(7pi)/6)=-2 , then x is equal to (k in Z) pi/3(6k+1) (b) pi/3(6k-1) pi/3(2k+1) (d) none of these

If k + 2 , 4k - 6 , 3k- 2 are the consecutive terms of an A.P then the value of k is ………………….

If (log)_k xdot(log)_5k=(log)_x5,k!=1,k >0, then x is equal to (a) k (b) 1/5 (c) 5 (d) none of these