exam Maths Puzzle Numerical Ability

Find the value of (a+1)^-1 + (b+1)^-1 where a=(2+3^.5)^(-2005) & b =(2-3^.5)^(-2005)

Read Solution (Total 0)

exam Other Question

Please help me solve this problem. it says solve 3(x-1)-2(2x+5)=-(3x-3) Would someone show me step by step how to figure out this word problem? Thank you
The length of a rectangle is 1cm more than 5 times its width. If the area of the rectangle is 79 cm^2, find the dimensions of the rectangle to the nearest thousandth.