2001
Mathematics
67ca00ce0c643c71d77dee1f
The sixth term of an A.P is half of its twelfth term. The first term of the A.P is equal to
A.
Zero
B.
half of the common difference
C.
double the common difference
D.
the common difference
Correct Answer: the common difference
Explanation
1st statement: U6 = 1/2(U12) a + (n -1)d = 1/2[a + (n-1)d] a + 5d = a + 11d 2(a + 5d) = a + 11d 2a + 10d = a + 11d Solving, => a = d Hence the first term is equal to the common difference
1st statement: U6 = 1/2(U12) a + (n -1)d = 1/2[a + (n-1)d] a + 5d = a + 11d 2(a + 5d) = a + 11d 2a + 10d = a + 11d Solving, => a = d Hence the first term is equal to the common differenceTHIS 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
