Which of the following expression is divisible by 1225-

Maths Binomial Theorem & Mathematical Induction Mix Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

6 2n –35n –1

6 2n – 35n + 1

6 2n – 35n

6 2n – 35n + 1

Text Solution

Verified by Experts

The correct answer is:

6 2 n – 35n – 1 = (1+ 35) n –35n– 1

= (35) 2 [ n C 2 + n C 3 . 35 +......]

⇒ divisible by 1225

and hence other B, C, D are not divisible by 1225.

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