Arithmetic Geometric Series
A series of the form a + (a + d)r + (a + 2d)r 2 + ... is called an Arithmetic-Geometric series. In the series if we put we get GP and if we put r = 1, we get an AP. To find the sum to the series Subtracting (ii) from (i), we g..
A series of the form a + (a + d)r + (a + 2d)r 2 + ... is called an Arithmetic-Geometric series. In the series if we put we get GP and if we put r = 1, we get an AP. To find the sum to the series Subtracting (ii) from (i), we g..Suggested answer:
Let S n = 1+2+3+4+...+n This series is an A.P. Here a=1, d=1, l = t n = n 2. To find the sum to squares of first n natural numbers. or..
Let S n = 1+2+3+4+...+n This series is an A.P. Here a=1, d=1, l = t n = n 2. To find the sum to squares of first n natural numbers. or..To find the sum of n terms of a GP
Let a = First term, r = common ratio, n = number of terms. Multiply both sides of (i) by r, the common ratio. Subtracting (ii) from (i), we get ..
Let a = First term, r = common ratio, n = number of terms. Multiply both sides of (i) by r, the common ratio. Subtracting (ii) from (i), we get ..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 25
Question: When n = 8, r = 3, and when n = 8, r = 5, find the value of Answer: When n = 8, r = 3 When n = 8, r = 5 ..
Question: When n = 8, r = 3, and when n = 8, r = 5, find the value of Answer: When n = 8, r = 3 When n = 8, r = 5 ..Question 25
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Question: If A and B be the sum of the odd terms and the sum of the even terms separately in the expansion of (x + a) n , then Answer: Again, ..
Question: If A and B be the sum of the odd terms and the sum of the even terms separately in the expansion of (x + a) n , then Answer: Again, ..Question 30
Question: Write and simplify the term involving in the expansion Answer: ..
Question: Write and simplify the term involving in the expansion Answer: ..See what our Users say :
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