" (ii) "(3^(40)+3^(39))/(3^(41)-3^(40))

Evaluate : 3(40)^(1/3)-4 (320)^(1/3)-(5)^(1/3)

The orthocentre of the triangle with vertices (0,0),(3,4), and (4,0) is (a) (3,(5)/(4)) (b) (3,12)(c)(3,(3)/(4)) (d) (3,9)

A hollow spherical metallic ball has an external diameter 6cm and is (1)/(2)cm thick.The volume of metal used in the ball is 37(2)/(3)cm^(3) (b) 40(2)/(3)cm^(3)(c)41(2)/(3)cm^(3)(d)47(2)/(3)cm^(3)

4cos^(3)40^(@)-3sin50^(@)=

If f(x) = ""^(40)C_(1).x(1-x)^(39) + 2.""^(40)C_(2).x^(2)(1-x)^(38)+3.""^(40)C_(3).x^(3)(1-x)^(37)+ "….."+40.""^(40)C_(40).x^(40) , then the value of f(3) is

If f(x) = ""^(40)C_(1).x(1-x)^(39) + 2.""^(40)C_(2).x^(2)(1-x)^(38)+3.""^(40)C_(3).x^(3)(1-x)^(37)+ "….."+40.""^(40)C_(40).x^(40) , then the value of f(3) is

If f(x) =.^(40)C_(1).x(1-x)^(39) + 2..^(40)C_(2)x^(2)(1-x)^(38)+3..^(40)C_(3)x^(3)(1-x)^(37)+"….."+40..^(40)C_(40)x^(40) , then the value of f(3) is

The orthocentre of the triangle with vertices (0,0),(3,4), and (4,0) is (a) (3,5/4) (b) (3,12) (3,3/4) (d) (3,9)