provide solution for RD Sharma maths class 12 chapter Differentials Errors and Approximations exercise 13.1 question 2
Answer: decrease
Hint: As we know, volume of a sphere of radius is given by
Given: the radius of a sphere changes from 10cm to 9.8cm
Solution: Suppose be the radius of the sphere and
be the change in the value of
Thus, we have
and
⇒ Differentiate with respect to