Correct answer: D. Number of ways = Coefficient of x30 in [(x + x2 + x3) + x4(x + 1)]7 = 420

See image | AITS & Test Series — Chem-Mantra

AITS & Test SerieshardMCQ SINGLE

Question

See image

Answer: D

💡 Solution & Explanation

Number of ways = Coefficient of x30 in [(x + x2 + x3) + x4(x + 1)]7 = 420

💬

Still have doubts about this question?

Send it to our AI chemistry tutor on WhatsApp — gets answered in minutes

AI-adaptive practice, video lectures, and full JEE Advanced Chemistry content — all in one place.

JEE Advanced · JEE Mains · NEET · IChO · AP Chemistry