Question

Factorize: (i) 3x4 -243


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Answer 1

Step-by-step explanation:

3x^4-243

=3(x^4-81)

=3(x^2-9)(x^2+9)

=3(x-3)(X+3)(x^2+9)

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Answer 2

Answer:

3(x-3)(x+3)(x^2+9)

Step-by-step explanation:

{Take 3 as common}

1. 3(x^4-81)

{Use a^2-b^2 = (a-b)(a+b)

2. 3(x^2-9)(x^2+9)

{Factorise (x^2-9) }

3. 3(x-3)(x+3)(x^2+9)

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