SOLUTION: Find the indicated quantity, assuming that u = 5i + j, v = i − 3j, and w = 3i + 7j. u · (v + w)

SOLUTION: Find the indicated quantity, assuming that u = 5i + j, v = i − 3j, and w = 3i + 7j. u · (v + w)

Algebra.Com

Question 1206885: Find the indicated quantity, assuming that
u = 5i + j, v = i − 3j, and w = 3i + 7j.
u · (v + w)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

first find

since , , ,, we have

RELATED QUESTIONS
u=2i-5j,v=-3i+7j and w=-i-6j find each specified vector or scalar... (answered by robertb,richard1234)

Consider the following. u = i + 3j, v = −3i + j (a) Find u · v (b) Find the angle... (answered by MathLover1)

Consider the following. u = i + 3j, v = −3i + j (a) Find u · v. (b) Find the angle... (answered by MathLover1)

Let u= -5i+9j, v=5i-j, and w=-5i. find 5u-(2v-w) (Type answer in terms of i and... (answered by jim_thompson5910)

I have no clue how to do these problems. Please help Find the expression. 1.) u =... (answered by jim_thompson5910,josgarithmetic)

I have no clue how to do these problems. Please help me understand Find the... (answered by stanbon)

Use the vectors u = <2, 2>, v = <-3, 4> and w = <1, -2> to find the indicated quantity. (answered by math_helper,rothauserc)

find v�w where v=3i+j... (answered by tommyt3rd)

find the dot product of vector v and vector w if: v=2i-3j... (answered by jim_thompson5910)