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+1 vote
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in Algebra by (38.0k points)
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Find the following product:

(i) (3x+2y+2z) (9x2+4y2+4z2- 6xy- 4yz- 6zx)

(ii) (4x - 3y+2z) (16x2+9y2+4z2+12xy+6yz- 8zx)

(iii) (2a -3b -2c) (4a2+9b2+4c2+6ab - 6bc+4ca)

(iv) (3x- 4y+5z)(9x2+16y2+25z2+12xy -15zx+20yz)

1 Answer

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by (36.4k points)
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Best answer

(i) Using the identity,

(ii) Using the identity,

(iii) Using the identity,

(iv) Using the identity,

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