If a, b are rational number and (a-1)√2+3=b√2+a, the value of (a+b) is : 

if a³b = abc = 180, a, b, c are positive integers, then the value of c is 

If for two real constants a and b the expression ax³+3x²-8x+b is exactly divisible by (x+2) and (x-2), then 

If x = b+c -2a, y=c+a-2b, z=a+b-2c, then the value of x²+y²-z²+2xy is : 

If x²+y²-4x-4y+8=0, then the value of x-y is: 

If , the value of 8 × 2  is : 

If a ≠ b, then which of the following statement is true ?

If   then the value of n is :