`(270)/(?)=19xx2-2^(3)`

9 2/3+ () =19

If a,b,c,d in R^(+) such that a+b+c=18 then the maximum value of a^(2)b^(3)c^(4) is equal to 2^(18)xx3^(2)2^(18)xx3^(3)2^(19)xx3^(2)2^(18)xx3^(3)

If a ,b ,c ,d in R^+ such that a+b+c=18 , then the maximum value of a^2b^3c^4 is equal to a. 2^(18)xx3^2 b. 2^(18)xx3^3 c. 2^(19)xx3^2 d. 2^(19)xx3^3

If a ,b ,c ,d in R^+ such that a+b+c=18 , then the maximum value of a^2b^3c^4 is equal to a. 2^(18)xx3^2 b. 2^(18)xx3^3 c. 2^(19)xx3^2 d. 2^(19)xx3^3

The value of x in -19xx(4+(-2))=-19xx4+(-19)xx X is

(-18)[36 -: {7-(-2)}] -: (-4){19-(-3)xx(-5)} = ?

Prove that: "cosec"(270^(@)-A)"cosec"(270^(@)+A)+cot(270^(@)-A)cot(270^(@)+A)=1

Prove that: "cosec"(270^(@)-A)"cosec"(270^(@)+A)+cot(270^(@)-A)cot(270^(@)+A)=1

(sin(270^(@)+x)cos^(3)(720^(@)-x)-sin(270^(@)-x)sin^(3)(540^(@)+x))/(sin(90^(@)+x)sin(-x)-cos^(2)(180^(@)-x))+(cot(270^(@)-x))/(cos e)c^(2)(450^(@)+x)

2sin 60^(@)-cos180^(@)+(1//3)sin270^(@)= A) sqrt2+(3)/(2) B) sqrt3+(2)/(3) C) sqrt2-(3)/(2) D) sqrt3-(2)/(3)