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Answer:
Encoders used in wheels and manipulator joints are essentially the same. It is the post-processing pipeline that changes their usage and significance. These encoders basically sense the rotational motion.
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Answer:
2x²-5x-3
a=2 b=-5 c=-3
D=b²-4ac=(-5)²-4(2)(-3)=25+24=49
x=-b+√D/2a or -b-√D/2a
=-(-5)+√49/2(2) or-(-5)-√49/2(2)
=5+7/4 or 5-7/4
=12/4 or -4/4
=3 or -1
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