Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

JEE Class main Answered

Please solve this problem step by step 
question image
Asked by sanjaysingh.srct | 24 Jul, 2019, 08:19: AM
answered-by-expert Expert Answer
S subscript k left parenthesis 1 right parenthesis equals 1 to the power of k comma space S subscript k left parenthesis 2 right parenthesis equals 1 to the power of k plus 2 to the power of k comma...... space S subscript k left parenthesis n minus 1 right parenthesis equals 1 to the power of k plus 2 to the power of k plus... plus left parenthesis n minus 1 right parenthesis to the power of k space a n d space S subscript k plus 1 end subscript left parenthesis n right parenthesis equals 1 to the power of k plus 1 end exponent plus 2 to the power of k plus 1 end exponent plus.. plus n to the power of k plus 1 end exponent equals 1 to the power of k plus 2 times 2 to the power of k plus 3 times 3 to the power of k plus... plus n times n to the power of k equals 1 to the power of k plus left parenthesis 2 to the power of k plus 2 to the power of k right parenthesis plus left parenthesis 3 to the power of k plus 3 to the power of k plus 3 to the power of k right parenthesis plus... plus left parenthesis n to the power of k plus n to the power of k plus.. n t i m e s right parenthesis T h e r e f o r e comma S subscript k plus 1 end subscript left parenthesis n right parenthesis plus S subscript k left parenthesis n minus 1 right parenthesis plus S subscript k left parenthesis n minus 2 right parenthesis plus... plus S subscript k left parenthesis 2 right parenthesis plus S subscript k left parenthesis 1 right parenthesis equals open square brackets 1 to the power of k plus left parenthesis 2 to the power of k plus 2 to the power of k right parenthesis plus left parenthesis 3 to the power of k plus 3 to the power of k plus 3 to the power of k right parenthesis plus... plus left parenthesis n to the power of k plus n to the power of k plus.. n t i m e s right parenthesis close square brackets plus 1 to the power of k plus 2 to the power of k plus... plus left parenthesis n minus 1 right parenthesis to the power of k plus.... plus 1 to the power of k plus 2 to the power of k plus 1 to the power of k equals n times 1 to the power of k plus n times 2 to the power of k plus... plus n times n to the power of k equals n left parenthesis 1 to the power of k plus 2 to the power of k plus... plus n to the power of k right parenthesis equals n S subscript k left parenthesis n right parenthesis
Answered by Renu Varma | 24 Jul, 2019, 10:26: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
JEE main - Maths
in how many ways a team of 2 boys and 4 girls selected from 5 boys and 6 girls
Asked by pallavibirangal87 | 08 Dec, 2024, 10:18: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
if a chord of length 18 cm is 12 cm away from the centre then find the distance of 24 cm long chord from the centre
Asked by pritisindra6 | 06 Dec, 2024, 21:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
The number of ways in which at least one coin can be selected from 3 coins of one rupee, 4 coins of fifty paise, 5 coins of twenty paise and 6 coins of ten paise is-
Asked by kanishthkumawat | 29 Nov, 2024, 00:23: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
what is range of tan^-1 x
Asked by pawandhayal125 | 06 Oct, 2024, 10:03: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
what is 2+2
Asked by srishtipra2008 | 28 Sep, 2024, 10:33: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
n arithmetic means are inserted between the numbers 7 and 49. if the sum of these means is 364 then the sum of their squares is
Asked by yogeshsoni575 | 23 Sep, 2024, 23:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
consider a dodecagon then number of ways of selecting two triangles which can be made using the vertices of dodecagon so that they do not have a common side.
Asked by sumit.parsudih | 17 Sep, 2024, 22:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
the sum of infinite series 1/2(1/3+1/4)-1/4(1/3^2+1/4^2)+1/6(1/3^3+1/4^3)+
Asked by pritamlovevanshi5 | 15 Sep, 2024, 08:24: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
solve the equation 6x-y+3z=10 , 3x+6y=18 , x+y+5z=-10 by jacobis method with (3,0,-2) as the initial approcimate to the solution
Asked by ganeshbabugottapu7 | 12 Sep, 2024, 18:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
find the inverse of a Matrix by using gauss Jordan method -2. 1. 3 A = 0. -1. 1 1. 2. 0
Asked by ganeshbabugottapu7 | 10 Sep, 2024, 07:32: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt