in levi-civita symbol:

first show that :

(εijk)(εlmk)=(δil)(δjm)－(δim)(δjl)< br />
and then use the above to show that:

a\times(b\timesc) = (a·c)b - (a·b)c

you!

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.

Which of the following statements is a true conclusion that can be made from the scaled bargraph?