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Answer:
(3x-2y) ²
9x²+ 4y²-2*3x*2y
answer II:-.
(x+4y) ².
x²+16y²+8xy.
answer III:-.
(1/2x+3y) ².
1/4x²+9y² + 3xy.
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Answer:
(i) (3x - 2y)² =
(3x - 2y) (3x - 2y)
3x (3x - 2y) - 2y (3x - 2y)
opening the brackets
9x² - 6xy - 6xy - 4y²
= 9x² - 12xy - 4y²
(ii) (x + 4y)² =
(x + 4y) (x + 4y)
x (x + 4y) + 4y (x + 4y)
opening the brackets
x² + 4xy + 4xy + 16y²
= x² + 8xy + 16y²
(iii) (1/2 x + 3y)² =
(1x/2 + 3y)²
(x/2 + 3y)²
(x/2 + 3y) (x/2 + 3y)
x/2 (x/2 + 3y) + 3y (x/2 + 3y)
opening the brackets
aage ka i dont know
i hope this helps you
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