x=3,−2
x=4,−23
x=−4,32
x=4,−32
Correct answer is D
|1+2x−163−x|=−3⟹(1+2x)(3−x)−(−6)=−3
3−x+6x−2x2+6=−3
−2x2+5x+3+6+3=0
Multiplying through with -1,
2x2−5x−12=0
(2x+3)(x−4)=0⟹x=−32,4
Simplify \frac{\tan 80° - \tan 20°}{1 + \tan 80° \tan 20°}...
Simplify \frac{1}{3} log8 + \frac{1}{3} log 64 - 2 log6...
If n items are arranged two at a time, the number obtained is 20. Find the value of n. ...
Consider the following statement: x: All wrestlers are strong y: Some wresters are not weightl...
Consider the following statements: X: Benita is polite y: Benita is neat z: Benita is intel...
A body of mass 15kg is placed on a smooth plane which is inclined at&n...
Simplify \sqrt[3]{\frac{8}{27}} - (\frac{4}{9})^{-\frac{1}{2}}...
A function is defined by h : x \to 2 - \frac{1}{2x - 3}, x \neq \frac{3}{2}. Find h^-1, the ...