Chapter Chosen

સંકલનનો એક ઉપયોગ

Book Chosen

ગણિત ધોરણ 12 સિમેસ્ટર 4

Subject Chosen

ગણિત

Book Store

Download books and chapters from book store.
Currently only available for
CBSE Gujarat Board Haryana Board

Previous Year Papers

Download the PDF Question Papers Free for off line practice and view the Solutions online.
Currently only available for
Class 10 Class 12

વક્ર y = x2 + 2, X-અક્ષ ને રેખાઓ x = 1 અને x = 2 વડે આવૃત્ત પ્રદેશનું ક્ષેત્રફળ શોધો.


વક્ર straight y space equals space square root of straight x space minus space 1 end root comma Y-અક્ષ ને રેખાઓ y = 1 અને y = 5 વડે આવૃત્ત પ્રદેશનું ક્ષેત્રફળ શોધો.


પરવલય y = 9 - x2 તથા X-અક્ષ વડે આવૃત્ત પ્રદેશનું ક્ષેત્રફળ શોધો.

 


Advertisement






જ્યાં, straight I space equals space integral from negative 1 to 2 of space straight y space dx



        equals space integral from negative 1 to 2 of space open parentheses straight x squared space minus space 4 close parentheses space dx


equals space open square brackets straight x cubed over 3 space minus space 4 straight x close square brackets subscript negative 1 end subscript superscript 2


equals space open square brackets 2 cubed over 3 space minus space 4 space cross times space 2 close square brackets space minus space open square brackets open parentheses negative 1 close parentheses cubed over 3 space minus space 4 space open parentheses negative 1 close parentheses close square brackets


equals space 8 over 3 space minus space 8 space plus space 1 third space minus space 4


equals space minus 9


therefore space straight A space equals space open vertical bar space straight I space close vertical bar space equals space open vertical bar space minus 9 space close vertical bar space equals space bold 9

Advertisement

પરવલય y = -x2 + 4 તથા X-અક્ષ વડે આવૃત્ત પ્રદેશનું ક્ષેત્રફળ શોધો.

 


Advertisement