Question

Please answer this question...both..

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Answer 1

Answer:

Step-by-step explanation:

See the attachment below.

10. =x^(a+b)(a-b) .x^(b+c)(b-c) .x^(c+a)(c-a)

=X^a^2-b^2 .x^b^2-c^2 .x^c^2-a^2

=X^a^2-b^2+b^2-c^2+c^2-a^2

=X^0

=1