Advertisements
Advertisements
प्रश्न
Solve the following quadratic equations by factorization: \[\sqrt{3} x^2 - 2\sqrt{2}x - 2\sqrt{3} = 0\]
उत्तर
\[\sqrt{3} x^2 - 2\sqrt{2}x - 2\sqrt{3} = 0\]
\[ \Rightarrow \sqrt{3} x^2 - 3\sqrt{2}x + \sqrt{2}x - 2\sqrt{3} = 0\]
\[ \Rightarrow \sqrt{3}x\left( x - \sqrt{6} \right) + \sqrt{2}\left( x - \sqrt{6} \right) = 0\]
\[ \Rightarrow \left( \sqrt{3}x + \sqrt{2} \right)\left( x - \sqrt{6} \right) = 0\]
\[ \Rightarrow \sqrt{3}x + \sqrt{2} = 0 \text { or } x - \sqrt{6} = 0\]
\[ \Rightarrow x = - \sqrt{\frac{2}{3}} \text { or } x = \sqrt{6}\]
Hence, the factors are \[\sqrt{6}\] and \[- \sqrt{\frac{2}{3}}\].
APPEARS IN
संबंधित प्रश्न
In a class test, the sum of the marks obtained by P in Mathematics and science is 28. Had he got 3 marks more in mathematics and 4 marks less in Science. The product of his marks would have been 180. Find his marks in two subjects.
Solve the following quadratic equations by factorization:
\[9 x^2 - 6 b^2 x - \left( a^4 - b^4 \right) = 0\]
If sin α and cos α are the roots of the equations ax2 + bx + c = 0, then b2 =
Solve the following equation :
`1/(("x" - 1)(x - 2)) + 1/(("x" - 2)("x" - 3)) + 1/(("x" - 3)("x" -4)) = 1/6`
Three years ago, a man was 5 times the age of his son. Four years hence, he will be thrice his son's age. Find the present ages of the man and his son.
The present age of the mother is square of her daughter's present age. 4 years hence, she will be 4 times as old as her daughter. Find their present ages.
Solve equation using factorisation method:
4(2x – 3)2 – (2x – 3) – 14 = 0
Solve the following equation by factorization
x(2x + 5) = 3
Solve the following equation by factorization
21x2 – 8x – 4 = 0
A rectangle of area 105 cm² has its length equal to x cm. Write down its breadth in terms of x. Given that the perimeter is 44 cm, write down an equation in x and solve it to determine the dimensions of the rectangle.