[" If "x=sqrt(2)+1," then value of the following "],[" expression is "]

Find the value of the following expression, when x=1 : 2x-7

Find the value of the following expressions, when x=-1: -x+2

Find the value of the following expressions, when x = –1: 2x – 7

Find the value of the following expressions, when x=-1: x^2+2x+1

Find the value of the following expressions, when x = –1: – x + 2

Find the value of the following expressions, when x = –1: x^2 + 2x + 1

If x be real , find the maximum value of each of the following expressions and the corresponding values of x: 1-2x-x^2

Find all the possible the value of the following expression dot sqrt(x^2-4) (ii) sqrt(9-x^2) (iii) sqrt(x^2-2x+10)