11th Physics Preboard Exam Real Paper with Solution | +1 Preboard 2022 | GAURAV CROOKS #pseb

11th class English model paper solution

Represent the solution of each of the following inequalities on the real number line : 1 + x ge 5x - 11

Represent the solution of each of the following inequalities on the real number line : 4x - 1 gt x + 11

If 1 litre aq. Solution of H_(2)SO_(4) ( 10% by weight) with density 1.1 gm/ml, find th pH of solution.

The set of real values of a for which the equation (2a^(2)+x^(2))/(a^(3)-x^(3))-(2x)/(ax+a^(2)+x^(2))+(1)/(x-a)=0 has a unique solution is (a) (−∞,1) (b) (−1,∞) (c) (-1,1) (d) R−{0}