Question

(3/4a-4/3b) whole square 2
​

Answer 1

Answer:

Step-by-step explanation:

(3/4a-4/3/b)^2                                  (a-b)^2 = a^2+b^2-2ab

(3/4a)^2 + (4/3b)^2 -2/4/3*3/4

9/16a^2 + 16/9b^2 - 2

Hope it help. Please mark it as the brainliest...

Answer 2

Answer:

$( \frac{3}{4} a - \frac{4}{3} b)^{2} \\ (a - b) {}^{2} = {a}^{2} + {b}^{2} - 2ab \\ =\frac{9}{16} a {}^{2} + \frac{16}{9} b {}^{2} - 2ab$