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Check whether the polynomial p(x)=4x3+4x2 -x-1 is a multiple of (2x+1). |
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Answer» Answer: Step-by-step explanation: Find the ZERO of 2x+1 2x+1=0 2x=-1 x=-1/2 P(-1/2) =4 × (-1/2)^3-+ 4 × (-1/2)^2 -(-1/2) -1 = 4 × -1/8 + 4 × 1/4 +1/2 -1 = -1/2 +1 +1/2 -1 =0 Since P(-1/2) =0, this implies that the remainder is zero.when P(x) is DIVIDED by 2x+1. Hence P(x) is a multiple of 2x+1 Pl mark as BRAINLIEST |
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