`1+2+3+4+…………+100=`

The sum of the series 1 + 2.2 + 3.2^(2) + 4.2^(3) + 5.2^(4) + ……… + 100.2^(99) is

What is the sum of the following series ? 1/(1 xx 2) + 1/(2 xx 3) + 1/(3 xx 4) + ………+ 1/(100 xx 101)

If (1 xx 2 + 2 xx 3 + 3 xx 4 + 4 xx 5+ … upto n terms) / (1 + 2 + 3 + 4 + ………………….. upto n terms) = 100 / 3 , find n

Sam Comprehension for (Q.No.76 to Q.No.78) TTETRT Consider the algebraic expression (x 1) (x 2) (x 3) (x 4) 100) On the basis of above information, answer the following questions 76. Coefficient of x 100 is equal to 76. (1) 1 (2) 50 (3) 100 (4) 101 77. Coefficient of x 99 is equal to 17 (1) -50 (2) -100 (4) -101 (3) -5050 78. Coefficient of x is equal to 98 (1) -158975 (2) -168925 (3) -167925 (4) -157925

Find the indicated term(s) in each of the followng A.P.'s (i) -1,-2,-3,-4………….,t_(100) (ii) n-1,n-2,n-3,………….,a_(m) (iii) a=3,d=2,a_(10),a_(n)

Let matrix B=[[4,1],[-9,-2]] then which of the following will not be an element of matrix B^(100) 300 (2) 301 (3) -299 (4) 100

Let matrix B=[4 1-9-2], then which of the following will not be an element of matrix B^(100) 300 (2) 301 (3) -299 (4) 100

A die is rolled 600 times and the occurrence of the outcomes 1, 2, 3, 4, 5 and 6 given below : |{:("Outcome"," 1 2 3 4 5 6"),("Frequency"," 200 30 120 100 50 100"):}|