expand (2/3 a + 3/4 b ) ^2
plz give me right answers.. and please give with method... it's urgent...
Answers
Answered by
0
Answer:
4/9a²+9/16b²+2x2/3ax3/4b
4/9a²+9/16b²+ab
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Answered by
0
Answer:
4/9a^2+ab+9/16b^2
Step-by-step explanation:
(a+b)^2=a^2+2ab+b^2
a=2/3a b=3/4b
(2/3a+3/4b)=(2/3a)^2+2(2/3a)(3/4b)+3/4b
=4/9a^2+ab+9/16b^2
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