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प्रश्न
The factorisation of 4x2 + 8x + 3 is ______.
पर्याय
(x + 1)(x + 3)
(2x + 1)(2x + 3)
(2x + 2)(2x + 5)
(2x –1)(2x –3)
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उत्तर
The factorisation of 4x2 + 8x + 3 is (2x + 1) (2x + 3).
Explanation:
Now, 4x2 + 8x + 3 = 4x2 + 6x + 2x + 3 ...[By splitting middle term]
= 2x(2x + 3) + 1(2x + 3)
= (2x + 3)(2x + 1)
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