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If p : q : r = 1: 2: 4, then $$\sqrt{5p^{2}+q^{2}+r^{2}}$$ is equal to
5Q:
If p : q : r = 1: 2: 4, then $$\sqrt{5p^{2}+q^{2}+r^{2}}$$ is equal to
- 18false
- 22qfalse
- 35ptrue
- 44rfalse
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