Find (-5281)+(1825)

Find (-1)^(2012)

Find 9-:(2)/(5)

Find: 243^((2)/(5))

Find: 7+1/4 =

Find 204^2 .

Find: (5a²+6b²)²

Find the discriminant of the equation 3x^(2)-2x+(1)/(3)=0 and hence find the nature of its roots. Find them, if they are real.

Find the discriminant of the equation 3x^(2) - 2x + (1)/(3) = 0 and hence find the nature of its roots. Find them, if they are real.

Find intxe^(x)dx

Calculate the pH of the following solutions. a. 0.37g fo Ca(OH)_(2) dissolved in water to give 500 ml solution b. 0.3 g of NaOH dissolved in water to give 200 ml solution c. 0.1825% HCl aqueous solution d. 1 ml of 13.6 M HCl is diluted with water to give 1 litre solution.