Question
If `sqrt(3) = 1.732`, Find the value of `sqrt(192 ) - 1/2 sqrt(48) - sqrt(75)` correct to 3 places of decimal .
Answer: Option B
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Sol . `sqrt(192) - 1/2 sqrt(48) - sqrt(75)`
= `sqrt(64 xx 3) - 1/2 sqrt(16 xx 3) - sqrt(25 xx 3)`
= ` 8sqrt(3) - 1/2 xx 4 sqrt(3) - 5sqrt(3)`
= ` 3sqrt(3) - 2sqrt(3)`
= ` sqrt(3) ` = 1.732
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