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If A=4x^(2)+y^(2)-6xy, B=3y^(2)+12x^(2...

If `A=4x^(2)+y^(2)-6xy,`
`B=3y^(2)+12x^(2)+8xy,`
`C=6x^(2)+8y^(2)+6xy`
Find (i) `A+B+C` (ii)`(A-B)-C`

Text Solution

Verified by Experts

The correct Answer is:
(i) `22x^(2) + 12y^(2) + 8xy`, (ii) `-14x^(2) - 10y^(2)- 20xy` ,(iii) `20x^(2) + 5y^(2) - 4xy` , (iv) `-8y^(2) - 32x^(2) - 30 xy`
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