How to differentiate in 15 minutes chapter 5 (for class 12)

Hello friends
main aapko vishwas dilata hu ki main aapke sabhi doubts ko clear karne ki puri kosis karunga jis se ki aapko exam time main koi problem na ho
main apne channel ncert books (class 12th) maths and physics k all questions ko solve karunga .
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jis se ki koi bhi knowledge se door na rah paye
aur har kisi ko Differenciate karne main koi bhi problem na aaye.😁😁😁😍😍😍😍

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