Suggested answer:
. . . . . . . . . . . . Adding vertically, ..
. . . . . . . . . . . . Adding vertically, ..To find the sum to infinity of a GP when the common ratio r is numerically less than 1
Consider the GP a, ar, ar 2 ... ..
Consider the GP a, ar, ar 2 ... ..Harmonic Progression (H.P.)
A sequence of numbers is said to form a harmonic progression if their reciprocals form an arithmetic progressio..
A sequence of numbers is said to form a harmonic progression if their reciprocals form an arithmetic progressio..Suggested answer:
n t h term of (1,2,3,....) is n Subtracting (ii) from (i), we get ..
n t h term of (1,2,3,....) is n Subtracting (ii) from (i), we get ..Question 11
Question: Answer: ..
Question: Answer: ..Question 22
Question: Prove that i) (2n)! = [1.3.5.7...(2n - 1)]2 n (n!) Answer: ..
Question: Prove that i) (2n)! = [1.3.5.7...(2n - 1)]2 n (n!) Answer: ..Question 23
Question: Find n, r if Answer: i. C(n,4) = 210 ( 210 = 10 x 7 x 3..
Question: Find n, r if Answer: i. C(n,4) = 210 ( 210 = 10 x 7 x 3..Question 25
Question: Answer: ..
Question: Answer: ..Question 19
Question: Answer: To find the two middle terms: Since n = 9, the two middle terms are ..
Question: Answer: To find the two middle terms: Since n = 9, the two middle terms are ..Question 22
Question: Find the greatest term in the expansion of (2a + b) 1 4 when a = 4, b= 5. Answer: Hence the greatest term is the 6 t h term. ..
Question: Find the greatest term in the expansion of (2a + b) 1 4 when a = 4, b= 5. Answer: Hence the greatest term is the 6 t h term. ..See what our Users say :
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