Question

• Express each of the following trinomials as a perfect square.
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Answer 1

Step-by-step explanation:

(i) 9b^2+6b+1

(3b+1)^2

(ii) 4x^2-12x+9

(2x-3)^2

(iii) 9x^2+24xy+16y^2

(3x+4y)^2

(iv) (9/25)x^2-(3/5)xy+(1/4)y^2

(3/5x+1/2y)^2

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