class -10th|| Trigonometry ||ex:-8.4||question number 5(4) solution||

class 10 exercise 8.4 question 4 part 1and2

If (5+2sqrt6)^(x^(2)-8)+(5-2sqrt6)^(x^(2)-8)=10, x inR On the basis of above information, answer the following questions : Number of solution (s) of the given equation is/ are -

Most important question class 10 chapter 4 Quadratic equation

The number of boys and girls in a class are in the ratio 7:5. The number of boys is 8 more than the number of girls. What is the total class strength?

What is the coordination number of Th^(4+) in ThO_(2) ?

Calculate the hydrolysis constant of NH_4Cl . Determine the degree of hydrolysis of this salt in 0.01 M solution and the pH of the solution. Kb( NH_4OH )=1.8× 10^(−5)