Use the formula to solve each of these quadratic equations. Write your answers correct to 3 significant

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Use the formula to solve each of these quadratic equations. Write your answers correct to 3 significant figures.

a) x⁴ + 3x² – 5 = 0

b) 2x⁶ – 4x³ + 1 = 0

c) 3x⁶ – 7x³ = 2

d) 5x⁴ + 10x² + 2 = 0

e) 4x¹⁰ + x⁵ – 2 = 0

f) x⁸ – x⁴ – 1= 0

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

ISBN: 9780198427438

2nd Edition

Authors: Jean Linsky, Brian Western, James Nicholson

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Use the formula to solve each of these quadratic equations. Write your answers correct to 3 significant

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We can use the quadratic formula which states that the solutions to the quadratic equation ax bx c 0 ...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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