Question
The approximate value of ${3√{12}}/{2√{28}}$ ÷ ${2√{21}}/√{98}$ is
Answer: Option D
Answer: (d)${3√{12}}/{2√{28}}$ ÷ ${2√{21}}/√{98}$Expression= ${3×√{12}}/{2×√{28}}$ × $√{98}/{2×√{21}}$= ${3 × 2 ×√3}/{2 × 2× √7}$×${7×√2}/{2×√3×√7}$= ${3√2}/4 = {3 × 1.414}/4$= 1.0605 ≈1.0606
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Answer: (d)${3√{12}}/{2√{28}}$ ÷ ${2√{21}}/√{98}$Expression= ${3×√{12}}/{2×√{28}}$ × $√{98}/{2×√{21}}$= ${3 × 2 ×√3}/{2 × 2× √7}$×${7×√2}/{2×√3×√7}$= ${3√2}/4 = {3 × 1.414}/4$= 1.0605 ≈1.0606
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