Q Using derivative, find the approximate percentage increase in the area of a circle if its radius is - Maths - Continuity and Differentiability

Question

Q Using derivative, find the approximate percentage increase in the
area of a circle if its radius is increased by 2%

Rishabh Mittal · Accepted Answer

Dear Student,

fx=3x2-5gx=xx2+1gof = gfx=g 3x2-5 =3x2-53x2-52+1=3x2-59x4-30x2+25+1=3x2-59x4-30x2+26      ANS

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Q. Using derivative, find the approximate percentage increase in the area of a circle if its radius is increased by 2% .