SyonP660026 SyonP660026

28-10-2022
Mathematics

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the answer choices are A. I and ii, I and iii, ii and iv, iii and iv

the answer choices are A I and ii I and iii ii and iv iii and iv class=

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AbrahmJ356558 AbrahmJ356558

28-10-2022

Answer:

The correct option is B

Only I and III are TRUE

Explanation:

I. is valid

[tex]a^4-b^4=(a^2+b^2)(a+b)(a-b)[/tex]

II. is invalid

III. is valid

[tex]a^6-1=(a^2-1)(a^4+a^2+1)[/tex]

IV. is invalid

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