" 12."1+(4)/(3)+(9)/(3^(2))+(16)/(3^(3))+(25)/(3^(4))+" ."

Sum of infinite terms of the series 1 + 4/7 + (9)/(7^2) + (16)/(7^3) + (25)/(7^4) +……, is

What is the value of ((3)/(4) div (9)/(32) +(4)/(3) xx (2)/(3) " of "(27)/(16))/((1)/(2) xx ((8)/(2) -2) div (4)/(9) +((1)/(3)+(1)/(6))) ? (a) (10)/(3) (b) (13)/(2) (c) (25)/(2) (d) (31)/(2)

12(1)/(3)-(8)/(9)+(11)/(3)-4(11)/(9)=?

S=3^(10)+3^(9)+(3^(9))/(4)+(3^(7))/(2)+(5.3^(6))/(16)+(3^(6))/(16)+(7.3^(4))/(16)+ upto infinite terms,then ((25)/(36))S equal to

What is the value of (3)/(7) div (9)/(21) +2-(4)/(3)+(1)/(2)" of "(12)/(5) xx (25)/(18) div (5)/(9) ?

(1) (4)/((216)^((2)/(3)))+(1)/((256)^((3)/(4)))+(2)/((243)^((1)/(5))) (ii) ((64)/(125))^((2)/(3))+((256)/(625))^((1)/(4))+((3)/(7))^(0) (iii) ((81)/(16))^((3)/(4))(((25)/(9))^((3)/(2))-:((5)/(2))^(-3)) (iv) ((25)^((5)/(2))times(729)^((1)/(3)))/((125)^((2)/(3))times(27)^((2)/(3))times8^((4)/(3)))

sqrt((25)/(81)-(1)/(9))=?(2)/(3)( b) (4)/(9)( c) (16)/(81) (d) (25)/(81)

1-(3)/(16)+(1.4)/(1.2)((3)/(16))^2- (1.4.7)/(1.2.3)((3)/(16))^3 + …..=