Question

If A = 4x2 + y2 - 6xy;
B = 3y2 + 12x2 + 8xy;
C = 6x2 + 8y2 + 6xy
Find (i) A+B+C (ii) (A-B)-C (iii) 2A+B
(iv)A-3B​

Answer 1

Answer:

If A = 4x2 + y2 - 6xy;

B = 3y2 + 12x2 + 8xy;

C = 6x2 + 8y2 + 6xy

Find (i) A+B+C (ii) (A-B)-C (iii) 2A+B

(iv)A-3B

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Answer 2

Answer:

(i) Sol : 22x² + 8xy + 12y²

(ii) Sol : 10x²+8xy+6y²

(iii) Sol : 32x²+4xy+8y²

(iv) Sol : −32x²−30xy−8y²

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