[" 54.The sum of the first "20" terms of "],[" (nat) "1+(3)/(2)+(7)/(4)+(15)/(8)+(31)/(16)+.." is "]

The sum of the first 20 terms of the series 1+(3)/(2)+(7)/(4)+(15)/(8)+(31)/(16)+... is:

The sum of the first n terms of the series (1)/(2)+(3)/(4)+(7)/(8)+(15)/(16)+.... is equal to

The sum of the first n terms of the series (1)/(2)+(3)/(4)+(7)/(8)+(15)/(16)+.... is equal to

The sum of first 50 term of the series 1 + (3 ) /(2) + (7) /(4) + (15 ) /(8) + (31 ) /(16) + ….is ( p + (1)/(2^q )) , then value of ( p + q ) is ……

The sum of first 50 term of the series 1 + (3 ) /(2) + (7) /(4) + (15 ) /(8) + (31 ) /(16) + ….is ( p + (1)/(2^q )) , then value of ( p + q ) is ……

The sum of the first 10 terms of (3)/(2)+(5)/(4)+(9)/(8)+(17)/(16)+cdots is

Sum of first 'n' terms of the series = (3)/(2) + (5)/(4) + (9)/(8) + (17)/( 16) + …..... =