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Find A· B
- a=10i+7j,b=−4i+3ja = 10 i + 7 j , \quad b = - 4 i + 3 j

Question 260

Multiple Choice

Find a· b.
- a=10i+7j,b=−4i+3ja = 10 i + 7 j , \quad b = - 4 i + 3 j


A) ⟨−40,21⟩\langle - 40,21 \rangle
B) 61
C) −19- 19
D) ⟨6,10⟩\langle 6,10 \rangle

Correct Answer:

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