tay9122
28.03.2020 •
Mathematics
Find the inner product for (3, 5) * (4, -2) and state whether the vectors are perpendicular.
a. 1; no
b. 1; yes
c. 2; no
d. 2; yes
PLEASE HELP FAST. THANK YOU! 50 POINTS.
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Ответ:
C
Step-by-step explanation:
the inner product of (a,b) * (c,d) is ac + bd
= 3 * 4 + 5 * -2
= 12 - 10
= 2
since the inner product is not 0, the vectors are not perpendicular
Ответ:
C
Step-by-step explanation:
a.b = (x1 × x2) + (y1 × y2)
= (3×4) + (5×-2)
= 12 - 10
= 2
Hence not Perpendicular
Ответ:
8(12 * 20 + 4)
8(240 + 4)
8(244)
1,952