Simplify - 8/19+-3/57​

Divide segment  AB of length 7 cm into a ratio 3:2​

What is the percentage decrease in an interval containing root after iteration is applied by Bisection Method? 30% 40% 50% 20%​

The cost price of 25 articles is equal to the selling price of 20 articles. What is the gain or loss percent?​

If A+B=, [2/3 3/0] and A-B =[5/2 3/1] then Matrix A is ​

6⅔ find the factor.

If A {x:x is a factor of 42 }
B = {x:x is a factor of 54}
Then find AUB, AnB, A-B and B-A.​

Write the power set of the following set B={x,y,z}​

$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$ using this solve the equation .

9x^2+2x+8=0.

Find the value of integration:

$\int\frac{sinx+1}{1-cosx}dx$

Evaluate the  integration

$\int\frac{sinx+2x+1}{cosx+4x+2}dx$