Binomial Theorem
Showing 50 of 347 · 347 total
- 101.If 3030-r+33031-r+33032-r+3033-r=mr for 3 r30, then m equals :Medium
- 102.Let the smallest value of k N, for which the coefficient of x^3 in (1+x)^3+(1+x)^4+(1+x)^5…Hard
- 103.The coefficient of x^2 in the expansion of (2x^2+1x)^10, x0, is:Easy
- 104.Let (1+x+x^2)^10=a_0+a_1x+a_2x^2++a_20x^20.Hard
- 105.Let ,,, be the coefficients of x^7,x^5,x^3,x respectively in the expansion of (x+x^3-1)^5+…Medium
- 106.For some n10, let the coefficients of the 5th, 6th and 7th terms in the binomial expansion…Medium
- 107.Let the coefficients of three consecutive terms T_r,T_r+1,T_r+2 in the binomial expansion …Medium
- 108.If _r=0^10(10r-1-(1)/(10)10r)^11C_r+1=11^1110^10, then is equal to:Medium
- 109.If _r=1^9r+3r2^-r^9C_r = (32)^9-, , N, then (+)^2 is equal to:Medium
- 110.In the expansion of ([3]2+1[3]3)^n, if the ratio of the 15th term from the beginning to th…Medium
- 111.For an integer n2, if the arithmetic mean of all coefficients in the binomial expansion of…Medium
- 112.If A denotes the sum of all the coefficients in the expansion of (1-3x+10x^2)^n and B deno…Easy
- 113.If the coefficient of x^30 in the expansion of (1+1x)^6(1+x^2)^7(1-x^3)^8, x0, is , then |…Hard
- 114.The value _r=0^2222r23r isMedium
- 115.Suppose _r=0^2023r^2,^2023C_r = 20232^2022.Medium
- 116.If (^30C_1)^2+2(^30C_2)^2+3(^30C_3)^2++30(^30C_30)^2=60!(30!)^2, then is equal toMedium
- 117.Let the sum of the coefficients of the first three terms in the expansion of (x-3x^2)^n, x…Medium
- 118.If a_r is the coefficient of x^10-r in the Binomial expansion of (1+x)^10, then _r=1^10r^3…Medium
- 119.The constant term in the expansion of (2x+1x)^7(3x^2)^? *(five-term multinomial variant)* …Medium
- 120._k=0^6^51-kC_3 is equal toMedium
- 121.The remainder when (2023)^2023 is divided by 35 is ________.Medium
- 122.If the coefficient of x^9 in ( x^3+1 x)^11 and the coefficient of x^-9 in ( x-1 x^3)^11 ar…Medium
- 123.Let the coefficients of three consecutive terms in the binomial expansion of (1+2x)^n be i…Medium
- 124.Let K be the sum of the coefficients of the odd powers of x in the expansion of (1+x)^99.Medium
- 125.If the coefficient of x^15 in the expansion of (ax^3+1bx^1/3)^15 is equal to the coefficie…Medium
- 126.The coefficient of x^301 in (1+x)^500+x(1+x)^499+x^2(1+x)^498++x^500 is:Medium
- 127.The 50th root of a number x is 12 and 50th root of another number y is 18.Medium
- 128.Let >0 be the smallest number such that the expansion of (x^2/3+2x^3)^30 has a term x^-, N…Medium
- 129.The remainder on dividing 5^99 by 11 is ________.Medium
- 130.The coefficient of x^-6 in the expansion of (4x5+52x^2)^9 is _______ Answer: 5040Medium
- 131.If the constant term in the binomial expansion of (x^5/2-4x^)^9 is -84 and the coefficient…Medium
- 132.The value of 11!,50!+13!,48!+15!,46!++149!,2!+151!,1! isMedium
- 133.The remainder when 19^200+23^200 is divided by 49, is _______.Medium
- 134.Let the sixth term in the binomial expansion of (2^_2(10-3^x)+2^(x-2)_23)^m, in the increa…Hard
- 135.If the term without x in the expansion of (x^2/3+x^3)^22 is 7315, then || is equal to ____…Medium
- 136.If the coefficients of x^7 in (ax^2+12bx)^11 and x^-7 in (ax-13bx^2)^11 are equal, then:Medium
- 137.Among the statements: (S1): 2023^2022-1999^2022 is divisible by 8 (S2): 13(13)^n-11n-13 is…Medium
- 138.Let [t] denote the greatest integer t.Medium
- 139.The absolute difference of the coefficients of x^10 and x^7 in the expansion of (2x^2+12x)…Medium
- 140.If the coefficient of x^7 in (ax-1bx^2)^13 and the coefficient of x^-5 in (ax+1bx^2)^13 ar…Medium
- 141.The coefficient of x^7 in (1-x+2x^3)^10 is _______.Medium
- 142.If the 1011th term from the end in the binomial expansion of (4x5-52x)^2022 is 1024 times …Medium
- 143.If 1n+1^nC_n+1n^nC_n-1++12^nC_1+^nC_0=102310, then n is equal toMedium
- 144.Let for x R, S_0(x)=x, S_k(x)=C_kx+k_0^x S_k-1(t),dt where C_0=1, C_k=1-_0^1S_k-1(x),dx, k…Hard
- 145.The coefficient of x^5 in the expansion of (2x^3-13x^2)^5 isMedium
- 146.The remainder when 3^2022 is divided by 5 is:Easy
- 147.The remainder on dividing 1+3+3^2+3^3++3^2021 by 50 is__ Answer: 4Medium
- 148.The coefficient of x^101 in the expression (5+x)^500+x(5+x)^499+x^2(5+x)^498++x^500, x>0, …Medium
- 149.If the sum of the co-efficient of all the positive even powers of x in the binomial expans…Medium
- 150.The remainder when (2021)^2023 is divided by 7 is:Medium