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प्रश्न
Add the following:
2p2q2 − 3pq + 4, 5 + 7pq − 3p2q2
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उत्तर
The given expressions are written in separate rows, with like terms one below the other, and then the addition of these expressions is as follows:
2p2q2 – 3pq + 4
–3p2q2 + 7pq + 5
________________
–p2q2 + 4pq + 9
Thus, the sum of the given expressions is –p2q2 + 4pq + 9.
संबंधित प्रश्न
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\[\frac{2}{3}a, \frac{3}{5}a, - \frac{6}{5}a\]
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At age of 2 years, a cat or a dog is considered 24 “human” years old. Each year, after age 2 is equivalent to 4 “human” years. Fill in the expression [24 + 
(a – 2)] so that it represents the age of a cat or dog in human years. Also, you need to determine for what ‘a’ stands for. Copy the chart and use your expression to complete it.
| Age | [24 +  (a – 2)] |
Age (Human Years) |
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
