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Question

The zeros of the polynomial 4x2+52x3 are ____



A
32,22
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B
32,2
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C
322,24
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D
62,22
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Solution

The correct option is B 322,24
Given,4x2+52x3Lets factorize using Formula x=b±b24ac2aa=4;  b=52;  c=3x=52 ±(52)2 4×4×(3)2×4   =52 ±25×2 + 488=52 ±988   =52 ±49×28=52 ± 728x=52 + 728;  52  728   =228;  1228x=24;  322Zeroes are 24 & 322

Mathematics

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