kaise pata karon ke kis integration question me substitution nahi use karna hai
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Vo question ke according pta chl jata h.
agr question me substitute krne se uska pattern easy ho jata or uska solution ho jata h tb to aap substitute kr skte h agr substitute krne pr vh complicated ho jata h to nhi or kyi question me direct diya hua hota h
agr question me substitute krne se uska pattern easy ho jata or uska solution ho jata h tb to aap substitute kr skte h agr substitute krne pr vh complicated ho jata h to nhi or kyi question me direct diya hua hota h
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