Math Chapter Wise question with answer

Q01 If the rth term in the expansion of 12 2 1 2x x − is without x, then r is: English · KVS PGT 2023 Q02 The two successive terms in the expansion of () 24 1+ x whose coefficients are in the ratio 1: 4 are: English · EMRS PGT-2023 Q03 The fourth term in the binomial expansion 6 1 x + x of is English · Bihar (TRE 2.0)-2023 Q04 If the coefficients of (r - 1)th, rth and (r + 1)th terms in the expansion of (x + 1)n are in the ratio 1: 3: 5 the... English · KVS PGT 2023 Q05 The total number of terms in the expansion of (x+a)100 +(x −a)100 after simplification is: English · KVS PGT 2022 Q06 The value of a if 17th and 18th terms in the expansion of (2+a)50 are equal is: English · OAVS TGT 2019