If the coefficients of r^{\text{th }},(r+1)^{\text{th }} and (r+2)^{\text{th }} terms in the expansion of (1+x)^n are in the ratio of 4:15:42, then n-r= [AP EAPCET 22 May 2024 Shift 2]

AP EAPCET 22 May 2024 Shift 2 Solved Paper

Section: Mathematics

Question : 17 of 160

Marks: +1, -0

If the coefficients of r‌th ‌,(r+1)‌th ‌ and (r+2)‌th ‌ terms in the expansion of (1+x)n are in the ratio of 4:15:42, then n−r=

[AP EAPCET 22 May 2024 Shift 2]

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