Class 12-commerce RD SHARMA Solutions Maths Chapter 14: Differentials, Errors and Approximations
MCQ
Ex. 14.1
Ex. 14VSAQ
Differentials, Errors and Approximations Exercise MCQ
Solution 13
Given: 
As x changes from 2 to 1.99, we have
Thus, the approximate change in y is 0.32.
Solution 1
Correct option: (a)
Solution 2
Correct option: (a)
Solution 3
Correct option: (b)
Solution 4
Correct option: (c)
Solution 5
Correct option: (b)
Solution 6
Correct option: (c)
Solution 7
Correct option: (c)
Solution 8
Correct option: (c)
Solution 9
Correct option: (c)
Solution 10
Correct option: (d)
Solution 11
Correct option: (a)
Solution 12
Correct option: (a)
Differentials, Errors and Approximations Exercise Ex. 14.1
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9(ii)
Solution 9(iii)
Solution 9(iv)
Solution 9(v)
Solution 9(vi)
Solution 9(vii)
Solution 9(viii)
Solution 9(ix)
Solution 9(x)
Solution 9(xi)
Solution 9(xii)
Solution 9(xiii)
Solution 9(xiv)
Solution 9(xv)
Solution 9(xvi)
Solution 9(xvii)
Solution 9(xviii)
Solution 9(xix)
Solution 9(xx)
Solution 9(xxi)
Solution 9(xxii)
Solution 9(xxiii)
Solution 9(xxiv)
Solution 9(xxv)
Solution 9(xxvi)
Solution 9(xxvii)
Solution 9(xxviii)
Solution 9(xxix)
Solution 10
Solution 11
Solution 12
Solution 13
Solution 14
Solution 15
Solution 16
Solution 9(i)
Consider 
Let x = 25 and 
Also,
Differentials, Errors and Approximations Exercise Ex. 14VSAQ
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Given: 
For the approximate values
Thus, f(2.1) = 9.2.