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वक्रो `y^(2) = 4x` Y - अक्ष एव रेखा y = 3 से घिरे क्षेत्र का क्षेत्रफल है :
A. 2
B. `(9)/(4)`
C. `(9)/(3)`
D. `(9)/(2)`

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वर्क `y^(2)=4x, Y` - अक्ष तथा रेखा y = 3 के द्वारा घिरा क्षेत्रफल आकृति में छायांकित क्षेत्र द्वारा दर्शाया गया है ।
`therefore` अभीष्ट क्षेत्रफल `= int_(0)^(3) xdy`
` = int_(0)^(3).(y^(2))/(4)dy`.
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