Let Sn denote the sum of the cubes of the first n naturalnumbers and Qn denote the sum of the fi.... VIDEO
Let Sn denote the sum of the cubes of the first n naturalnumbers and Qn denote the sum of the first n naturalnumbers. Then ∑r=1nSrQr equals ๐ฒPW App Link - https://bit.ly/YTAI_PWAP ๐PW Website - https://www.pw.live
Other Videos By PW Solutions 2024-06-28 A man accepts a position with an initial salary of ` 5200 per month. It is understood that he wi.... 2024-06-28 Find the sum of all the three digit numbers which leaves the reminder 2 when divided by 5 ..... 2024-06-28 The digits of a three digit natural number are in AP and their sum is 15. The number obtained by.... 2024-06-28 If a,b,c,d are in GP, then show that a2+b2,b2+c2,c2+d2 are in GP.... 2024-06-28 Find the sum of integers from 1 to 100 that are divisible by 2 or 5..... 2024-06-28 The first term of an A.P.is a, and the sum of the first p terms is zero, show that the sum of it.... 2024-06-28 If the nth term of a series be 3 + n(n – 1), then find the sum of n terms of the seri.... 2024-06-28 Find the sum of series 1 + (1 + 2) + (1 + 2 + 3) + ... upto n terms..... 2024-06-28 If α2,2β2,3γ2 are in A.P., where the distinct numbers α2,β2,γ2.... 2024-06-28 If b+c,c+a,a+b are in H.P., then a2,b2,c2 will be in .... 2024-06-28 Let Sn denote the sum of the cubes of the first n naturalnumbers and Qn denote the sum of the fi.... 2024-06-28 Let S10 denote the sum of the first 10 terms of an A.P. If S20=3S10 then S30:S10 is equal to.... 2024-06-28 Sum of the series 12+122+14+…∞ is .... 2024-06-28 Consider the equation \(x^4+2 a x^3+x^2+2 a x+1=0\), where \(a \in R\).Also, range of \(f(.... 2024-06-28 If tn denotes the nth term of the series 2 + 3 + 6 + 11 + 18 ++ ... then t50 is.... 2024-06-28 Consider an unknown polynomial which when divided by \((x-3)\) and \((x-4)\) leaves remainders 2.... 2024-06-28 If the sum of n terms of an A.P. is given by Sn = 3n + 2n2,then the common d.... 2024-06-28 Nidhi and Ria are very close friends. Nidhi's parents own a Maruti Alto. Ria's parents own.... 2024-06-28 If roots of equation, \(x^3+b x^2+c x-1=0\) forms an increasing G.P., then .... 2024-06-28 Quadratic equations started around 3000 B.C. with the Babylonians. They were one of the world's .... 2024-06-28 Equation of the form \(P(\sin x\) \(\pm \cos x, \sin x \cos x)=0\) where \(P(y, z)\) is a polyno....
0