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प्रश्न
Multiply the following:
(ab + c), (ab + c)
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उत्तर
We have,
(ab + c) and (ab + c)
∴ (ab + c)(ab + c) = ab(ab + c) + c(ab + c)
= a2b2 + abc + abc + c2
= a2b2 + 2abc + c2
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संबंधित प्रश्न
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uv – vw, vw – wu and wu – uv
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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 |
