Math Chapter Wise question with answer

Q01 If three consecutive coefficients in the binomial expansion of (x + 1)n in power of x are in the ratio 2:15: 70, th... English · EMRS PGT-2023 Q02 The coefficient of x7 in the expansion (1+x)10 + x(1+x)9 + x2 (1+x)8 +...+x10 is: English · EMRS PGT-2023 Q03 The coefficient of xn in the expansion of (1+x) (1–x)n is: English · EMRS PGT-2023 Q04 The two successive terms in the expansion of () 24 1+ x whose coefficients are in the ratio 1: 4 are: English · EMRS PGT-2023 Q05 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 Q06 The coefficients of xn in the expansion of (1 + x)2n and (1 + x)2n - 1 are in the ratio: English · KVS PGT 2023