The value of `(-5/6)^5 divide (-5/6)^7` is

The value of 2^(5)-:2^(6) is

Find the value of 5 5/6 \div 3 1/2 .

Find the value of : 6-3-(-5) .

Find the value of i^(4) + i^(5) + i^(6) + i^(7) .

The value of (pi^2)/(1n3)int_(7/6)^(5/6)sec(pix)dxi s____

Find the value of : 7+(-5)+(-6)

Find the value of : ((18.5)^(2) - (6.5)^(2))/(18.5 + 6.5)

If x, y , z are in A.P., then the value of the det (A) is , where A = [(4,5,6,x),(5,6,7,y),(6,7,8,z),(x,y,z,0)]

Find the value of: (i) (987)^(2)-(13)^(2) (ii) ((18.5)^(2)-(6.5)^(2))/(18.5 + 6.5)