Find the value of   `1/2 ( e + e^(-1))`

Find the value of   1/2^(-7)

Find the value of   2/5 ÷ 1/2

Find the value of   e^0   is

Find the value of   2 + 1/ ( 2 + 1/( 2 + 1/2 )

Find the value of ( 1/5 )^(-2 )  ?

Find the value of int_(1/2)^(2)e^(|x-1/x|)dx .

When the tangent to the curve y=xlogx is parallel to the chord joining the points (1, 0) and (e ,\ e) , the value of x is e^(1//1-e) (b) e^((e-1)(2e-1)) (c) e^((2e-1)/(e-1)) (d) (e-1)/e

Find the value of [-e ] is ( a ) -2 ( b ) -3 ( c ) -1 ( d ) 0

Let f(x)=e^(x)+2x+1 then find the value of int_(2)^(e+3)f^(-1)(x)dx

Let E_(1) and E_(2) be two events such that P(E_(1))=0.3, P(E_(1) uu E_(2))=0.4 and P(E_(2))=x . Find the value of x such that (i) E_(1) and E_(2) are mutually exclusive, (ii) E_(1) and E_(2) are independent.