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B
exlnx+2exx
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C
2exlnx+exx
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D
exlnx+exx
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Solution
The correct option is Dexlnx+exx Using the product rule of differentiation If y=u.v, then dydx=u.v′+v.u′ Let u be lnx and v be ex y=exlnx ∴dydx=exlnx+exx