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2 answers:
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Answer:
Step-by-step explanation:
observe
||a–b+c|| = ||a+b+c||
(a-b+c)² = (a+b+c)²
(a+b+c)² – (a-b+c)² = 0
((a+b+c)+(a-b+c))((a+b+c)–(a-b+c)) = 0
(2a+2c)(2b) = 0
(a+c)b = 0
a•b + c•b = 0
||a||×||b||×cos(π/8) + ||c||×||b||×cos(θ) = 0
Answer:
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Step-by-step explanation:
Given
--- radius
Required
Determine the inequality of the region
The inequality of a region of a sphere is determined using:
Substitute 5 for r
Solving further: <em>The question says only the upper hemisphere is considered.</em>
This implies that:
<em>So, the equation is:</em>