Question

अथवा
रेखाचित्र द्वारा प्रदर्शित कीजिए कि कुल उपयोगिता तब अधिकतम होती है जब सीमांत उपयोगिता शून्य हो
नहीं बदला जा सकता क्यों ?
(3 अंक)​

Answer 1

Explanation:

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The line of action of the force 6-1-21. passes through the point whose position vector is

-1+k. Find (a) Moment of force about the origin

(b) The moment of force about the point of position vector i+k

(c) The moment of force about the y-axis