Find the value of `1/(1+1/(3-4/(2+1/(3-1/2))))+3/(3-4/(3+1/(2-1/2)))` . `(13)/7` (b) `(15)/7` (c) `(11)/(21)` (d) `(17)/(28)`

Find the value of 1/(4(2/7)) + 1/(3(11/13)) + 1/(5/9)

Find the value of : ((3.9)^2-(1.7)^2)/(3.9-1.7)

Find the value of (1)/(1+(1)/(3-(1)/(2+(4)/(2+(1)/(2+(1)/(2-(1)/(7)))))))+(3)/(3-(4)/(3+(1)/(2-(1)/(2))))*(13)/(7) (b) (15)/(7) (c) (11)/(21) (d) (1)/(28)

Find the value of |[7/3,5/3],[3/1,1/2]|

Find the value of 1-((1(2)/(3))/(3(1)/(2))+(1(1)/(6))/(3(1)/(2)))* a) (3)/(20) (b) (4)/(21)(c)(8)/(21) (d) (13)/(21)

Find the value of [ { ( 1/7^2 )^-2 }^(-1/3 ) ]^(-1/4 )

Simplify: 1/(1+(2/3)/(1+2/3+(8/9)/(1-2/3))) . (11)/(13) (b) (13)/(15) (c) (13)/(11) (d) (15)/(13)