Square of 3x – 4y is
(a) 9x2 – 16y2
(b) 6x2 – 8y2
(c) 9x2 + 16y2 + 24xy
(d) 9x2 + 16y2 – 24xy
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Answers
Answered by
6
Answer:
3x - 4y
(3x)²- (4y)²
9x²-16y²
Answered by
10
Step-by-step explanation:
(a-b)^2=a^2 +b^2 - cab
(3x-4y)^2 = (3x)^2+(4y)^2 - 2(3x)(4y)
= 9x^2+16y^2 - 24xy
D) is correct
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