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प्रश्न
Factorize each of the following algebraic expression:
36a2 + 36a + 9
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उत्तर
\[36 a^2 + 36a + 9\]
\[ = 9(4 a^2 + 4a + 1)\]
\[ = 9\left\{ (2a )^2 + 2 \times 2a \times 1 + 1^2 \right\}\]
\[ = 9(2a + 1 )^2 \]
\[ = 9(2a + 1)(2a + 1)\]
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Match the following :
| Column A | Column B |
| (a) `x/2` = 10 | (i) x = 4 |
| (b) 20 = 6x − 4 | (ii) x = 1 |
| (c) 2x − 5 = 3 − x | (iii) x = 20 |
| (d) 7x − 4 − 8x = 20 | (iv) x = `8/3` |
| (e) `4/11 - x = (-7)/11` | (v) x = −24 |
