Question

1
(i) 3x+1/2xwhole squre
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Answer 1

Answer: $12x^{2} + \frac{1}{4}x^{2}$

Step-by-step explanation:

$(3x + \frac{1}{2}x)^{2} \\= (3x)^{2} +( \frac{1}{2}x)^{2} + 2(3x)(\frac{1}{2})x\\\\= 9x^{2} + \frac{1}{4} x^{2} + 3x^{2} \\= 12x^{2} + \frac{1}{4}x^{2}$