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Question -

सरल कीजिए:
(i) (x+y+z)3 + (x-y+z)2 + (x+y-z)2
(ii) (3x-2y+z)3 – (3x+2y-z)2
(iii) (x2+y2-z2)2 – (x2-y2+z2)2



Answer -

(i)

(ii)

(iii)

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