The resultant of vector a+ vector b is R1
.on reversing vector b the resultant become vector R2 .what is the value of r1 square+ r2 square
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Answered by
68
The resultant vector of A and B is R1It means A + B = R1
Also It if given that if we reverse vector B The resultant vector becomes R2
it means A + 1/B = R2 But (R1)² + (R2)²
(A + B )² + (A+1/B)²
A² + B² +2AB + A² + 1/B² +2A/B
2A²+ (B⁴+1/B²) + 2A(B²+1/2)
Also It if given that if we reverse vector B The resultant vector becomes R2
it means A + 1/B = R2 But (R1)² + (R2)²
(A + B )² + (A+1/B)²
A² + B² +2AB + A² + 1/B² +2A/B
2A²+ (B⁴+1/B²) + 2A(B²+1/2)
Answered by
138
Answer:
2(A2+B2)
Explanation:
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