Question

$\sqrt3=1.732$ആയാൽ$(2+\sqrt3)/(2-\sqrt3)=?$

• A. 11.732
• B. 13.928
• C. 12.928
• D. 13.925

Answer 1

Answer:

B. 13.928

$(2+\sqrt3)/(2-\sqrt3)$

$=(2+\sqrt3)(2+\sqrt3)/(2-\sqrt3)(2+\sqrt3)$

$=(4+2\sqrt3+2\sqrt3+3)/(4-3)$

$=4+4\sqrt3+3$

$=7+4\times1.732$

$=7+6.928$

$=13.928$