The distance of the point (α, β) from origin is
A. α.β
B. α2. β2
C. \(\sqrt{\alpha^{2}-\beta^{2}}\)
D. \(\sqrt{\alpha^{2}+\beta^{2}}\)
Answer:D
The distance of the point (α, β) from origin is
A. α.β B. α2. β2 C. \(\sqrt{\alpha^{2}-\beta^{2}}\) D. \(\sqrt{\alpha^{2}+\beta^{2}}\)