expand (2/3x+1)square
Answers
Answered by
0
Answer:
formula : a²+b²+2ab
Step-by-step explanation:
2/3x+1²+(2×[2/3x×1])
2/3x+1²+4/12
2/3x+1²+1/3
Answered by
0
Answer:
4x²+12x+9
Step-by-step explanation:
(2/3x+1)²
(a+b)²= a²+b²+2ab
= (2/3x)²+(1)²+2×2/3x×1
= 4/9x²+1+4/3x
Taking LCM,
= 4x²+12x+9
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