A library is the delivery room for the birth of ideas, a place where history comes to life -Norman Cousins
अच्छे मित्र, अच्छी किताबें, और साफ़ अंतःकरण : यही आदर्श जीवन है--- मार्क ट्वेन

Wednesday, June 10, 2020






Maths :Binomial short tricks Part-2


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