3 years ago

Find the LCM of ;(1+4x+4x2-16x) and (1+2x-8x3-16x4)

Mathematics

1 answer:

muminat3 years ago

3 0

Answer:

16x4−4x2+4x−116x4−4x2+4x−1

=16x4−(4x2−4x+1)=16x4−(4x2−4x+1)

=(4x2)2−(2x−1)2∵a2−2ab+b2=(a−b)2=(4x2)2−(2x−1)2∵a2−2ab+b2=(a−b)2

=(4x2−2x+1)(4x2+2x−1)∵a2−b2=(a−b)(a+b

Step-by-step explanation:

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Number of pencils bough by the student = 84
Number of pencils sharpened by the student = 35
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