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There are 2 families A and B. There are ...

There are 2 families A and B. There are 4 men, 6 women and 2 children in family A, and 2 men, 2 women 4 children in family B. The recommend daily amount of calories is 2400 for men, 1900 for women, 1800 for children and 45 grams of proteins for men, 55 grams for women and 33 grams for children. Represent the above information using matrix. Using matrix multiplication, calculate the total requirement of calories and proteins for each of the two families. What awareness can you create among people about the planned diet from this question?

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There are 2 families A and B. There are 4 men, 6 women and 2 children is family A, and 2 men, 2 women and 4 children in family B. The recommend daily amount of calories is 2400 for men, 1900 for women, 1800 for children and 45 grams of proteins for men, 55 grams for women and 33 grams for children. Represent the above information using matrix. Using matrix multiplication, calculate the total requirement for calories and proteins for each of the two families. What awareness can you create among people about the planned diet from this question?

There are two families A and B.In family A, there are 4 men, 6 women and 2 children : and in family B, there are 2 men, 2 women and 4 children. The recommended daily requirement of Calories is Men: 2400 ; Women: 1900 ; Children: 1800 Also daily requirement for protein is Men: 55 gm ; Women:45 gm and Children:33 gm Calculate the total requirement of calories and proteins for each of the two families. Using matrix method.

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RD SHARMA ENGLISH-ALGEBRA OF MATRICES-All Questions
  1. Give an example of two matrices A and B such that A!=O ,\ \ B!=O ,\ ...

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  2. Give an example of three matrices A ,\ B ,\ C such that A B=A C but...

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  3. There are 2 families A and B. There are 4 men, 6 women and 2 children ...

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  4. Use matrix multiplication to divide Rs. 30,000 in two parts such that ...

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  5. Three schools A ,\ B and C organised a mela for collecting funds fo...

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  6. Prove that the product of matrices [cos^2thetacosthetasinthetacosthe...

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  7. Let A=[(0,-tan(alpha/2)),(tan(alpha/2),0)] and I be the identity matr...

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  8. Let F(x)=[cosx -sinx 0 sinx cosx 0 ...

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  9. Let A=[2 3-1 2] and f(x)=x^2-4x+7 . Show that f(A)=O . Use this result...

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  10. If A=[0 1 0 0] , prove that (a I+b A)^n=a^n\ I+n a^(n-1)\ b A where I ...

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  11. Let A ,\ B be two matrices such that they commute. Show that for an...

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  12. Let A ,\ B be two matrices such that they commute. Show that for an...

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  13. If A is a square matrix such that A^2=A , show that (I+A)^3=7A+I .

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  14. If A is a square matrix such that A^2=I , then find the simplified...

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  15. If A=[3\ \ \ 5] , B=[7\ \ \ 3] , then find a non-zero matrix C such...

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  16. Compute the indicated products: [a b-b a][a-bb a] (ii) [1-2 2 3][1 ...

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  17. Show that A B!=B A in the following case: A=[5-1 6 7] and B=[2 1 3 ...

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  18. Compute the products A B and B A whichever exists in each of the fol...

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  19. Compute the products A B and B A whichever exists in each of the fol...

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  20. Show that A B!=B A in each of the following cases: A=[[1, 3,-1],[2,-...

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