Binomial Theorem2 questions1 PYQ

Binomial Theorem — JEE Maths Practice Questions & Solutions

2 questions on Binomial Theorem with full step-by-step solutions, including past-year (PYQ) problems. Free to practice.

mediumPYQ · JEE Main 2026
The coefficient of x2x^2 in the expansion of (2x2+1x)10\left(2x^2+\dfrac{1}{x}\right)^{10}, x≠0x\neq0, is:
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medium
Let t1=7t_1=7, t2=77t_2=7^7, t3=777t_3=7^{7^7}, and so on. The digit at the tens place of t1000t_{1000} is
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