Flag 9 grade maths> factor...
question mark

xy (z2 + 1) + z (x2 + y2) can be factorized as:

(A) (xy + z) (yz + x) (B ) (zx + y) (xy + z)

(C) (yz + x ) (zx + y) (D) (x2 + y2) (z + x)

modassir anwer , 11 Years ago
Grade Upto college level
anser 1 Answers
Pratik Tibrewal

Last Activity: 11 Years ago

it is (C)

xyz^2 + xy + zx^2 + zy^2
= xyz^2 + zx^2 + xy + zy^2
= xz(yz + x) +y(zy + x)
= (yz + x)(xz + y)


Thanks and Regards
Pratik Tibrewal,
askiitians faculty,
BTech

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