Question

(5/3 a + 2/5 b)² solve the equation
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Answer 1

Question:-

(5/3a + 2/5b)^2

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Answer 2

Answer:

Step-by-step explanation:

$(\frac{5a}{3} + \frac{2b}{5})^{2} \\\\\x = \frac{5a}{3} \\\\y = \frac{2b}{5}\\ \\(x+y)^{2} = x^{2} + y^{2} + 2xy$

Putting the value of x and y

$= (\frac{5a}{3} )^{2} + (\frac{2b}{5} )^{2} + 2(\frac{5a}{3})( \frac{2b}{5} )\\\\= (\frac{25a^{2} }{9} )+ (\frac{4b^{2} }{25} )+ 2(\frac{10ab}{15})\\\\= (\frac{25a^{2} }{9} )+ (\frac{4b^{2} }{25} )+ (\frac{20ab}{15})\\\\= \frac{(625a^{2})+ (36b^{2})+ (300ab)}{225}$