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प्रश्न
The side of the square of area 9y2 is ______.
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उत्तर
The side of the square of area 9y2 is 3y.
Explanation:
Given, area of a square = 9y2
We know that, the area of a square with side a = a2
∴ a2 = 9y2
⇒ a2 = (3y)2
⇒ a = 3y ...[Taking square root both sides]
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Observe the following nutritional chart carefully:
| Food Item (Per Unit = 100g) | Carbohydrates |
| Rajma | 60g |
| Cabbage | 5g |
| Potato | 22g |
| Carrot | 11g |
| Tomato | 4g |
| Apples | 14g |
Write an algebraic expression for the amount of carbohydrates (in grams) for y units of potatoes and 2 units of rajma.
