Find the real values of x that satisfy the following equations a x 4 13x 2 36 0 b x 6 7x 3 8 0 c x 4 6x 2 5 0 d 2x 4 11x 2 5 0 e 3x 4 x 2 4 0 f 8x 6 9x 3 1 0 g x 4 2x 2 15 0 h x 4 9x 2 14 0 i x 8 15x 4 16 0 j 32x 10 31x 5 1 0 k l X 5 2 4...

a Let y x2 then the equation becomes y2 13y 36 0 which factors as y4y9 0 Therefore the solutions are y 4 or y 9 Substituting back we get x2 4 or x2 9 ...

Find the real values of x that satisfy the following equations. a. x 4 13x 2

Question:

Find the real values of x that satisfy the following equations.
a. x⁴ − 13x² + 36 = 0

b. x⁶ − 7x³ − 8 = 0

c. x⁴ − 6x² + 5 = 0

d. 2x⁴ − 11x² + 5 = 0

e. 3x⁴ + x² − 4 = 0

f. 8x⁶ − 9x³ + 1 = 0

g. x⁴ + 2x² − 15 = 0

h. x⁴ + 9x² + 14 = 0

i. x⁸ − 15x⁴ − 16 = 0

j. 32x¹⁰ − 31x⁵ − 1 = 0

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 09, 2023 05:44 AM

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Find the real values of x that satisfy the following equations. a. x 4 13x 2

Question:

X 5 +2= = 4

Step by Step Answer:

a Let y x2 then the equation becomes y2 13y 36 0 which factors as y4y9 0 Therefore the solutions are y 4 or y 9 Substituting back we get x2 4 or x2 9 ...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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