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Determine the Projection of b = (2, 1, -1) onto a = (1, 0, -2)
There is a requirement of a dot product and the magnitude of a.
a→ • b→ = 4 ||a→||2 = 5
the projection is then,
Proja? b→ = a→• b→ / (||a→||2) (a→)
= 4/5 (1, 0, -2)
= (4/5,0,- 8/5)
Given the vectors u = 3 i - 2 j + k , v = i + 2 j - 4 k , w = -2 i + 4 j - 5 k use vector methods to answer the following: (a) Prove u , v and w can form
1/a+b+x =1/a+1/b+1/x a+b ≠ 0 Ans: 1/a+b+x =1/a+1/b+1/x => 1/a+b+x -1/x = +1/a +1/b ⇒ x - ( a + b + x )/ x ( a + b + x ) = + a + b/ ab ⇒
Let be the set of all divisors of n. Construct a Hasse diagram for D15, D20,D30. Check whether it is a lattice Or Complement lattice.
round to the nearest ten to estimate , 422+296
Melissa is four times as old as Jim. Pat is 5 years older than Melissa. If Jim is y years old, how old is Pat? Start along with Jim's age, y, because he appears to be the young
the adjacent sides of a parallelogram are 2x2-5xy+3y2=0 and one diagonal is x+y+2=0 find the vertices and the other diagonal
I dont understand arcsin and arccos and how to find the domain...help?
Why do we start dividion operation from left to right?
How to Converting Percents to Fractions ? To convert a percent to a fraction: 1. Remove the percent sign. 2. Create a fraction, in which the resulting number from Step 1 is
a can of soup is shaped like wich solid
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