Sequences and Series
If a,b,c are different positive real numbers such that b+c−a,c+a−b and a+b−c are positive, then (b+c−a)(c+a−b)(a+b−c)−abc is
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
Solve the equation (x+1)+(x+4)+(x+7)++(x+28)=155.
13, 74, 290, 650,.......
Find the sum of the series 1+3x+5x2+7x3+……….upto n terms.
Find the sum of the series 12+32+52+→n
If the 20th term of a H.P. is 1 and the 30th term is -1/17, then find its largest term.
Find the sum of the series
Find the sum of n terms of the series 1+54+527+5310+˙
terms of an A.P. is equal to twice the mth terms.