2011
Mathematics
JAMB
Rationalize 2−√5/3−√5
A.
1−√5/2
B.
1−√5/4
C.
√5−1/2
D.
1+√5/4
Correct Answer: 1−√5/4
Explanation
2−√5/3−√5 x 3+√5/3+√5 ((2-√5)(3+√5))/((3-√5)(3+√5)) = (6+2√5-3√5-√2 5)/(9+3√5-3√5-√2 5) = (6-√5-5)/(9-5) = (1-√5)/4
2−√5/3−√5 x 3+√5/3+√5 ((2-√5)(3+√5))/((3-√5)(3+√5)) = (6+2√5-3√5-√2 5)/(9+3√5-3√5-√2 5) = (6-√5-5)/(9-5) = (1-√5)/4THIS WEEK's
Latest Articles
Top-Scorer Okoro Uchechukwu Solomon Reveals How He Scored 337 in JAMB
by samuel olalekan adeyemi
Bouncing Back: How Samuel Isaac Overcame Setbacks to Score 265 in JAMB and What He Learned
by samuel olalekan adeyemi
Managing Stress During Exams: Practical Tips for Students
by samuel olalekan adeyemi
