CBSE Class 10 Answered
Solve
by method of completing square.
![](http://images.topperlearning.com/topper/questions/3594_image067.gif)
Asked by Topperlearning User | 04 Nov, 2016, 09:59: AM
The coefficient of
is not perfect square. So we divide the equation through out by 3
![](https://images.topperlearning.com/topper/questions/3594_image068.gif)
![](https://images.topperlearning.com/topper/questions/3594_image069.gif)
divide and multiply coefficient of
by 2
![](https://images.topperlearning.com/topper/questions/3594_image070.gif)
![](https://images.topperlearning.com/topper/questions/3594_image071.gif)
Add and subtract
to the above equation, we have,
![](https://images.topperlearning.com/topper/questions/3594_5b7ffeeae21b4100946c1a53f9a5e910.png)
![](https://images.topperlearning.com/topper/questions/3594_image073.gif)
![](https://images.topperlearning.com/topper/questions/3594_f8ff39db72b5abe07fe58838cd882049.png)
![](https://images.topperlearning.com/topper/questions/3594_image074.gif)
![](https://images.topperlearning.com/topper/questions/3594_image075.gif)
![](https://images.topperlearning.com/topper/questions/3594_image076.gif)
![](https://images.topperlearning.com/topper/questions/3594_image077.gif)
Required solution =1,![](https://images.topperlearning.com/topper/questions/3594_e93df46a1fa1fafabda37e5e4c8b6d73.png)
![](https://images.topperlearning.com/topper/questions/3594_e93df46a1fa1fafabda37e5e4c8b6d73.png)
Answered by | 04 Nov, 2016, 11:59: AM
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