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प्रश्न
Find without division, the remainder in the following:
8x2 - 2x + 1 is divided by (2x+ 1)
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उत्तर
8x2 - 2x + 1 is divided by (2x+ 1)
Putting 2x + 1 = 0, we get : x=-`1/2`
Substituting this value of x in the equation, we get
`8 xx (-1/2) xx (-1/2) - 2 xx (-1/2) + 1`
= 2 + 1 + 1
= 4
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