CATAlgebra > Medium415415415442442442455455455404404404✅ Correct Option: 3Related questions:CAT 2019 Slot 2If (2n+1)+(2n+3)+(2n+5)+....+(2n+47)=5280(2n + 1) + (2n + 3) + (2n + 5) + .... + (2n + 47) = 5280(2n+1)+(2n+3)+(2n+5)+....+(2n+47)=5280, then what is the value of 1+2+3+...+n1 + 2 + 3 + ... + n1+2+3+...+n?CAT 2021 Slot 3If n is a positive integer such that (107)(107)2…(107)n>999(\sqrt[7]{10})(\sqrt[7]{10})^{2} \ldots(\sqrt[7]{10})^{n}>999(710)(710)2…(710)n>999, then the smallest value of n isCAT 2021 Slot 2For a sequence of real numbers x1,x2,......xnx_1, x_2, ...... x_nx1,x2,......xn, if x1−x2+x3−....+(−1)n+1xn=n2+2nx_1 - x_2 + x_3 - .... + (-1)^{n + 1} x_n = n^2 + 2nx1−x2+x3−....+(−1)n+1xn=n2+2n for all natural numbers n, then the sum x49+x50x_{49} + x_{50}x49+x50 equals