In a gp sum of first and last term is 66
WebFeb 6, 2024 · Step-by-step explanation: Let common ratio = r & number of terms = n 512/2 = 256 = 2^8 (because all terms will be divided by powers of 2 for common ratio ) => r = 2 and n = 8 2,4,8,16,32,64,128,256,512 Sum of first four terms = 2+4+8+16=30 Sum of last four terms = 64+128+256+512=960 Advertisement New questions in Math Advertisement WebThe first and last terms of an AP are a and ℓ respectively. Show that the sum of the n th term from the beginning and the n th term form the end is ( a + ℓ ). Solution: In the given AP, first term = a and last term = ℓ. Let the common difference be d. Then, n th term from the beginning is given by an = a + ( n -1) d … (1)
In a gp sum of first and last term is 66
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WebOct 13, 2014 · in an increasing GP , the sum of the first and the last term is 66 , the product of the second and the last but one term is 128 , and the sum of all the terms is 126 how … WebThe sum of the first n terms of an arithmetic sequence is called an arithmetic series . Example 1: Find the sum of the first 20 terms of the arithmetic series if a 1 = 5 and a 20 = 62 . S 20 = 20 ( 5 + 62) 2 S 20 = 670 Example 2: Find the sum of the first 40 terms of the arithmetic sequence 2, 5, 8, 11, ⋯ . First find the 40 th term:
WebIn an increasing gp the sum of the first and the last term is 66. The product of the second and the last but one is 128 and the sum of the sum of the terms is 126 ..then the no. Of … WebThe sum of n terms in GP whose first term is a and the common ratio is r can be calculated using the formula: S n = [a (1-r n )] / (1-r). The sum of infinite GP formula is given as: S n = …
WebIt's going to be our first term-- it's going to be 5-- over 1 minus our common ratio. And our common ratio in this case is 3/5. So this is going to be equal to 5 over 2/5, which is the same thing as 5 times 5/2 which is 25/2 which is equal to … WebFind the sum of the first 10 terms. Skip to main content. close. Start your trial now! First week only $4.99! arrow ... If the first term and last term of an AP are 17 and 350 respectively,If the commom difference is ... nth term is -11 and the sum to first n terms is 66 . …
WebMar 19, 2024 · The sum of the first term of the GP and the last term of the GP is 66. we will take it as equation (i). Now the product of the second term of the GP and the second last …
WebFind the sum of the first 6 terms of a GP whose first term is 2 and the common difference is 4. Solution: Given, First term = a = 2, Common ratio = r = 4 and n = 6 As we know, the sum … chinese food everett waWebCalculates the n-th term and sum of the geometric progression with the common ratio. initial term a. common ratio r. number of terms n. n=1,2,3... 6digit 10digit 14digit 18digit 22digit … chinese food everett maWebApr 12, 2024 · The nth term of Arithmetic Progression was found out to be: xₙ = x + (n - 1) b. In the case of Geometric Progression, let’s assume that x is the first number and “r” is the … grand isle louisiana fishing guidesWebThe geometric sequence formula to determine the sum of the first n terms of a Geometric progression is given by: S_n = a [ (r^n-1)/ (r-1)] if r > 1 and r ≠ 1 S_n = a [ (1 – r^n)/ (1 – r)] if r < 1 and r ≠ 1 The nth item at the end of GP, the last item is l, … chinese food excelsior springsWebOct 13, 2014 · in an increasing GP , the sum of the first and the last term is 66 , the product of the second and the last but one term is 128 , and the sum of all the terms is 126. how many terms are there in the progression. Share with your friends 1 Follow 4 Priyanka Kedia, Meritnation Expert added an answer, on 15/10/14 chinese food factoria waWebNov 5, 2024 · In a n increasing G.P. , the sum of the first and the last term is 66, the product of the second and the last but one is 128 and the sum of the terms is 126. How many … grand isle louisiana fishing spotsWebAnswer (1 of 3): GP T8 =ar^7 =384 T3=ar^2=12 T8/T3= r^5 =384 /12 =32 r^5=2^5 r=2 T3 =ar^2=a ×4=12 a=12/4=3 a=3 r=2 S10 =a(r^n --1)/(r-1) =3(2^10 -1) /(2-1) = 3×(2^10 -1) 3×(1024-1) =3069 Sum of 10 terms of GP is 3069 chinese food exeter pa