IPMAT Indore 2023Number System > Mediumn(n+2)2\dfrac{n(n+2)}{2}2n(n+2)32\dfrac{3}{2}23n(n+1)2\dfrac{n(n+1)}{2}2n(n+1)nnn✅ Correct Option: 1Related questions:IPMAT Indore 2023If mmm and nnn are two positive integers such that 7m+11n=2007m + 11n = 2007m+11n=200, then the minimum possible value of m+nm + nm+n isIPMAT Indore 2023If ∣x∣<100|x| <100∣x∣<100 and ∣y∣<100|y| <100∣y∣<100, then the number of integer solutions of (x,y)(x, y)(x,y) satisfying the equation 4x+7y=34x + 7y = 34x+7y=3 is