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Answer: We'll try in future
Answer: Thanks
Answer: Assignments and quizzes are meant for testing user's understanding, after going through the lectures. If you wish, please email your solutions, I'll correct & send them back to you.
Answer: 2 times area of triangle 2A= det(1 x1 y1;1 x2 y2;1 x3 y3)
Answer: Iso parametric mapping main advantage is in Numerical integration, which in turn helps in Stiffness Matrix, Force Vector assemblage. You can meet me in person for more explaination