`(1+1/a)(1+1/(a-1))(1+1/(a-2))(1+1/(a-3))(1+1/(a-4))=`

The value of: (1 + 1/(a+1))(1+1/(a+2)) (1+1/(a+3))(1+1/(a+4)) is

Evaluate det[[(1)/(a+1),(1)/(a+2),(1)/(a+3)(1)/(a+2),(1)/(a+3),(1)/(a+4)(1)/(a+3),(1)/(a+4),(1)/(a+5)]]

The simplest value of ((1+(1)/(2))(1+(1)/(3))(1+(1)/(4))....(1+(1)/(50)))/((1-(1)/(2))(1-(1)/(3))(1-(1)/(4)).....(1-(1)/(50))) is

The next term of the sequence, (1 +1/2 ),(1+1/2) (1+1/3 ) , (1+1/2 ) (1+1/3 ) (1+1/4), is

Find the value of ( 1 + 1/x ) ( 1 + 1/( x+1 )) ( 1 + 1/( x+2 ) ) ( 1 + 1/( x+3 )) is : (1) 1 + (1/(x + 4 )) ( 2 ) x +4 ( 3 ) 1/x ( 4 ) ( x+4 )/x

Simplify : 8 (1)/(2)-[3 (1)/(4)-:{1(1)/(4) - (1)/(2) ( 1 (1)/(2)-(1)/(3)-(1)/(6))}]