Find the real solutions of the following equations a 8 (x2 2x 15) 1 b 4 (2x2 11 15) 1 c 2(x 2 4 6) 8 d e (x 2 2x 14) 5 1 f (x 2 7x 11) 8 1 3(2x 9x 2) 9...

a 8x2 2x 15 1 Expanding the lefthand side we get 8x2 16x 120 1 Simplifying further 8x2 16x 121 0 Using the quadratic formula we get x b sqrtb2 4ac 2a ...

Find the real solutions of the following equations. a. 8 (x2 + 2x - 15) = 1

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Find the real solutions of the following equations.

a. 8^{(x2 + 2x - 15)} = 1

b. 4^{(2x2 − 11 + 15)} = 1

c. 2(x² − 4 + 6) = 8

e. (x² + 2x − 14)⁵ = 1

f. (x²- 7x + 11)⁸ = 1

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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 solutions of the following equations. a. 8 (x2 + 2x - 15) = 1

Question:

3(2x² +9x+2) 9

Step by Step Answer:

a 8x2 2x 15 1 Expanding the lefthand side we get 8x2 16x 120 1 Simplifying further 8x2 16x 121 0 Using the quadratic formula we get x b sqrtb2 4ac 2a ...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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