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`sqrt(5 p^(2)+q^(2)+r^(2))` के बराबर है।A. 8B. 2qC. 5pD. 4r |
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Answer» Correct Answer - C `{:(P,:,q,:,r),(1,:,2,:,4),(x,:,2x,:,4x):}` `:. sqrt(5p^(2)+q^(2)+r^(2))` `=sqrt(5x^(2)+4x^(2)+16x^(2))` `=sqrt(25x^(2))=5x` `=5p` |
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