There are (4n+ 1) terms in a certain sequence of which the first (2n+1) terms form an A.P. of common difference 2 and the last (2n + 1) terms are in G.P. of common ratio 1/2. If the middle term of both A.P. and

Q: There are (4n + 1) terms in a certain sequence of which the first (2n + 1) terms form an A.P. of…

A:

Q: Here are the first three stages of a sequence of dots. If we drew each of the first 15 stages, how…

A: The objective of the question is to find the total number of dots in the first 15 stages of a…

Q: Find the sum of n terms of an AP whose nth term is given by an=5-6n

A:

Q: In the third to last line why are is 2cos phil multiplied by 1/2

A: We need to explain the reason behind doing the below step:

Q: Find the fourth term m the papansion of

A: 1-23x36 use the binomial theorem a+bn=∑i=0nnian-ibi 1-2x336=∑i=066i· 16-i-2x33i

Q: Find the sum of1/1 · 3 +1/3 · 5 +1/5 · 7 +··· .

A: The given series is, 11.3+13.5+15.7+..... Consider the first term, 11.3=12×1-12×1+1 Consider the…

Q: 10. Find the sum of the coefficients of (2x– 3)°. c. -6560 d. -5120 а. -5660 b. -6780

A:

Q: 8. 8x° 108° There is a rectangle and a trapezoid. nmation)

A:

Q: ommon e 2 and the last (2m + 1) erm /2. If the middle term of both A. P. and G. P.

A:

Q: IF N{A} = 3 and N{B} = 5 what is the largest number possible for N{A⋂B}

A: N(A)=3N(B)=5

Q: Find the formula for the nth term of the arithmetic sequ 3, 6, 9, ... an ||

A: Given arithmetic sequence is The first term of the sequence is a=3  and common difference is…

Q: We are given the continued fraction expansion for the square root of 89: [9; 2, 3, 3, 2, 18, 2, 3,…

A:

Q: 6h term of a G.P. is 9375 and its 4th term is 375. ind its 9th term.

A:

Q: that if 3 divides the sum of the digits of n, then 3|n

A:

Q: he 5th term of a G.P is greater than the 4th term by 27/2 and the 4th term is greater than the 3rd…

A:

Q: No. of students No of painted tables in 4 hours 1 1 2 4 3 9 4 16 -If we doubled the number of…

A:

Q: E If the mth term of an A.P. is 1 and the nth term is 1 1 show that the sum of mn terms is ( mn +1).

A:

Q: Find the average of the first 50 natural numbers is……………….

A:

Q: 4. Find The Three cube Meots of 1

A:

Q: If the 2nd, 3rd  and 4th term in a GP are 12, 36 and 108   What is the 1st term and the common ratio

A: It is given that, the 2nd, 3rd and 4th term in a GP is 12, 36 and 108.

Q: Find n, if the ratio of the fifth term form the beginning to the fifth term from the end in the…

A:

Q: respectively

A: Part a

Q: Find the sum of 1, -1/2, 1/4, .... ∞. a. 3/4 b. 2/3 c. 1/7 d. 1/2

A:

Q: write the correct exact formula for the nth term generator of the sequence 7 7 14 {-1, 3, -3,1) 35…

A: To find the correct exact formula for the nth term generator of the sequence {−1, 7/5, -7/5, 14/11,…