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एक आयत की लम्बाई x, 5 cm / min की दर से...

एक आयत की लम्बाई x, 5 cm / min की दर से घट रही है और चौड़ाई y, 4 cm / min कि दर से बढ़ रही है जब x=8 cm और y= 6 cm है तब आयत के (a) परिमाप (b) क्षेत्रफल की परिवर्तन की दर ज्ञात कीजिए

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CENGAGE ENGLISH-APPLICATION OF DERIVATIVES-ILLUSTRATION
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  3. एक आयत की लम्बाई x, 5 cm / min की दर से घट रही है और चौड़ाई y, 4 cm / ...

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