`[(-2/3)+3/4]+(1/-5)`

If the join of ends of the latus rectum of " x^(2)=8y " subtends an angle "theta" at the vertex of the parabola then " cos theta " 1.) (-(4)/5) 2.) (-(2)/3) 3.) (-(3)/5) 4.) (-(1)/5)

Evaluate (1) 2^(-3) (2)(-4)^(-2) (3)1/3^(-2) (4)(1/2)^(-5)

Calculate the value of 4/(2 1/3) + 3/(1 3/4) - 5/(3 1/2) .

Find the sum of the following infinite series 1/2(1/5)^2+2/3(1/5)^3+3/4(1/5)^4+

The greatest of the numbers 2^(1/2), 3^(1/3), 4^(1/4), 5^(1/5), 6^(1/6) and 7^(1/7) is

Evaluate the following : (1/2)^5*((-2)/3)^4*(3/5)^(-1)

Evaluate each of the following: (i) (2/(11))^4*((11)/3)^2*(3/2)^3 (ii) (1/2)^5*((-2)/3)^4*(3/5)^(-1)

The sum of the series (1)/(2)((1)/(5))^(2)+(2)/(3)((1)/(5))^(3)+(3)/(4)((1)/(5))^(4)+... is

Find the sum of the following infinite series (1)/(2)((1)/(5))^(2)+(2)/(3)((1)/(5))^(3)+(3)/(4)((1)/(5))^(4)+...