" 70.If "sqrt(2)=1.41" then "(1)/(sqrt(2))=?

If sqrt(2)=1.41 and sqrt(5)=2.24, find the value of (3)/(8sqrt(2)+5sqrt(5))+(2)/(8sqrt(2)-5sqrt(5))

Prove that : (1)/(sqrt(2)+1)+ (1)/(sqrt(3)+sqrt(2))+ (1)/(2+sqrt(3))=1

Sum the series to infinity : sqrt(2)- (1)/(sqrt(2))+(1)/(2(sqrt(2)))-(1)/(4sqrt(2))+ ....

If sqrt(2)=1.414 and sqrt(3)=1.732, then the value of (1+sqrt(2))/(sqrt(3)+sqrt(2))+(1-sqrt(2))/(sqrt(3)-sqrt(2)) is

sqrt 2(sqrt 2+1) - sqrt 2 (1+sqrt2) =?

The direction ratios of the line 2y+z-5=0=x-3y-6 are proportional to 3,\ 1,\ -2 b. 2,\ -4,\ 1 c. 3/(sqrt(14)),1/(sqrt(14)),(-2)/(sqrt(14)) d. 2/(sqrt(41)),(-4)/(sqrt(41)),1/(sqrt(41))

If P and Q are two points on the line joining A(-2,5),B(3,1) such that AP=PQ=QB then PB= sqrt(41) (2sqrt(41))/(3) (sqrt(41))/(3) (4sqrt(41))/(3)

Find the value of sqrt((1)/(2)sqrt((1)/(2)sqrt((1)/(2)sqrt((1)/(2)......cdots oo))))