• Sonu
    D=0 hence neither maxima nor minima
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  • Sonu
    see this attachment
    • cropped4128785473956710856.jpg
    • cropped5822321716813159089.jpg
    • cropped1127893865634908231.jpg
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  • Satpal singh
    see this
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  • Satpal singh
    option C is correct answer
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  • Satpal singh
    Accept this explanation as best answer if you are satisfied with this answer.
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  • Satpal singh
    along with see this video https://youtu.be/dodoqu6zvMw this will be more benefitial for u
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  • Satpal singh Best Answer
    see this attachment
    • cropped6770809470891424421.jpg
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