WBJEE MATHS TRICKS INTEGRATION SHORTCUT METHOD IN PDF

WBJEE MATHS TRICKS – INTEGRATION SHORTCUT METHOD IN BENGALI [ MODULUS FUNCTION -I ]

এই পদ্ধতিতে আপনারা এই ধরনের INTEGRATION  মাত্র  দুই সেকেন্ডে এর মধ্যেই নির্নয় করতে পারবেন। মন দিয়ে TRICKS-টি বোঝার চেষ্টা করবেন খুবই সোজা।

প্রঃ নীচের প্রতিক্ষেত্রে সমাকলনের মান নির্নয় কর-

(1) ∫-12xdx  (2) ∫-22xdx  (3) ∫-31|x|dx

SOLUTION :-

(1) ∫-12|x|dx       =22+(-1)22        =4+12          =52  Ans.(2) ∫-22|x|dx      =22+(-2)22       =4+42         = 82 = 4     Ans.(3) ∫-31|x|dx      =12+(-3)22        = 1+92         =102          = 5         Ans. IMPORTANT FORMULA : – ∫-ba|X|dX=a2+b22    [Lower limit must be less than zero(0)]




ছাত্র-ছাত্রীরা এই  ছিল আজকের TRICKS , এইভাবেই আমি তোমাদের আরো নতুন TRICKS নিয়ে আসবো আমার এই ওয়েবসাইটে যা তোমাদের কেবল JEE / WBJEE এর জন্য নয়, যা তোমাদের অঙ্ক আরো ভালোভাবে শিখতে সাহায্য করবে তো যাবার আগে আমার ওয়েবসাইটা সাবস্ক্রাইব করে যেও।

 

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