MEDIUM
JEE Main
IMPORTANT
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The remainder when 20212022+20222021 is divided by 7 is

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Important Questions on Binomial Theorem

MEDIUM
JEE Main
IMPORTANT
Let for the 9th term in the binomial expansion of 3+6xn, in the increasing powers of 6x, to be the greatest for x=32, the least value of n is n0. If k is the ratio of the coefficient of x6 to the coefficient of x3, then k+n0 is equal to
MEDIUM
JEE Main
IMPORTANT
The remainder when 72022+32022 is divided by 5 is
HARD
JEE Main
IMPORTANT
Let the coefficients of the middle terms in the expansion of 16+βx4,1-3βx2 and 1-β2x6,β>0, respectively form the first three terms of an A.P. If d is the common difference of this A.P., then 50-2dβ2 is equal to _____ .
MEDIUM
JEE Main
IMPORTANT
If 1+2+C149+C249+.+C4949C250+C450+..+C5050 is equal to 2n.m, where m is odd, then n+m is equal to _____ .
MEDIUM
JEE Main
IMPORTANT
Let the ratio of the fifth term from the beginning to the fifth term from the end in the binomial expansion of 24+134n, in the increasing powers of 134 be 64:1. If the sixth term from the beginning is α34, then α is equal to _______.
MEDIUM
JEE Main
IMPORTANT
If K=110 K210CK2=22000 L, then L is equal to _____.
MEDIUM
JEE Main
IMPORTANT
If C1302+2C2302+3C3302..........30C30302=α60!30!2, then α is equal to 
HARD
JEE Main
IMPORTANT
Let the sum of the coefficient of first three terms in the expansion of x-3x2n; x=0, nN be 376. Then, the coefficient of x4 is equal to: