CBSE Class 12 Boards Maths Find the derivative of `cos (2x+1)`w.r.t. x from first principle.

This is solution of Question no. From CBSE CLASS 12 Boards 2007. Watch Free Video solution of All Previous Year Class 12 CBSE and State Boards Exam Solution on our app Doubtnut. Download Doubtnut from - https://doubtnut.app.link/ITeoUlwSAR Find the derivative of `cos(2x+1)` w.r.t. x from first principle. ==== SCORE 100% WITH DOUBTNUT ==== Doubtnut ऍप पर आप कक्षा ६ से १२ (IIT JEE तक) के NCERT के मैथ/गणित के सभी सवालों के वीडियो देखिये और मुफ्त में खोजिये किसी भी गणित सवाल का जवाब - १ लाख से भी ज़्यादा सवालों के जवाब हैं Doubtnut ऍप पर Doubtnut App has video solutions of ALL the NCERT questions from Class 6 to 12 (including IIT JEE). You can also ask any Math question and get a video solution for FREE from a library of more than 1 Lakh Math Videos #cbse #class12boards #cbseclass12 #cbseboardspaper #CBSEBOARD2019 #ncertsolution #ncert ==== FOLLOW US ON==== Doubtnut PAGE: https://www.facebook.com/doubtnut DOUBTNUT IIT JEE Group: https://www.facebook.com/groups/251747588948573 WEBSITE : www.doubtnut.com

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